Home / 1,341,401.70-2,012,102.55-442,982.10

Finding the Fourth Proportional to 1,341,401.70, 2,012,102.55 and 442,982.10

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Solution

The fourth proportional to 1,341,401.70, 2,012,102.55 and 442,982.10 is: 664,473.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,401.70 : 2,012,102.55 = 442,982.10 : x
  2. Step 2: Convert to fraction form
    1,341,401.70/2,012,102.55 = 442,982.10/x
  3. Step 3: Cross multiply
    1,341,401.70x = 2,012,102.55 × 442,982.10
  4. Step 4: Simplify right side
    1,341,401.70x = 891,325,413,014.36
  5. Step 5: Solve for x
    x = 891,325,413,014.36/1,341,401.70
  6. Step 6: Final answer
    x = 664,473.15

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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.