Home / 1,341,408.70-2,012,113.05-442,989.10

Finding the Fourth Proportional to 1,341,408.70, 2,012,113.05 and 442,989.10

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Solution

The fourth proportional to 1,341,408.70, 2,012,113.05 and 442,989.10 is: 664,483.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,408.70 : 2,012,113.05 = 442,989.10 : x
  2. Step 2: Convert to fraction form
    1,341,408.70/2,012,113.05 = 442,989.10/x
  3. Step 3: Cross multiply
    1,341,408.70x = 2,012,113.05 × 442,989.10
  4. Step 4: Simplify right side
    1,341,408.70x = 891,344,149,117.76
  5. Step 5: Solve for x
    x = 891,344,149,117.76/1,341,408.70
  6. Step 6: Final answer
    x = 664,483.65

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Half scale
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Double scale
Find fourth proportional to 1,341,409.70, 2,012,114.55 and 442,990.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.