Home / 1,341,347.70-2,012,021.55-442,928.10

Finding the Fourth Proportional to 1,341,347.70, 2,012,021.55 and 442,928.10

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Solution

The fourth proportional to 1,341,347.70, 2,012,021.55 and 442,928.10 is: 664,392.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,347.70 : 2,012,021.55 = 442,928.10 : x
  2. Step 2: Convert to fraction form
    1,341,347.70/2,012,021.55 = 442,928.10/x
  3. Step 3: Cross multiply
    1,341,347.70x = 2,012,021.55 × 442,928.10
  4. Step 4: Simplify right side
    1,341,347.70x = 891,180,882,300.56
  5. Step 5: Solve for x
    x = 891,180,882,300.56/1,341,347.70
  6. Step 6: Final answer
    x = 664,392.15

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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.