Home / 1,437,502.90-2,155,217.55-939,147.70

Finding the Fourth Proportional to 1,437,502.90, 2,155,217.55 and 939,147.70

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Solution

The fourth proportional to 1,437,502.90, 2,155,217.55 and 939,147.70 is: 1,408,044.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,502.90 : 2,155,217.55 = 939,147.70 : x
  2. Step 2: Convert to fraction form
    1,437,502.90/2,155,217.55 = 939,147.70/x
  3. Step 3: Cross multiply
    1,437,502.90x = 2,155,217.55 × 939,147.70
  4. Step 4: Simplify right side
    1,437,502.90x = 2,024,067,605,082.13
  5. Step 5: Solve for x
    x = 2,024,067,605,082.13/1,437,502.90
  6. Step 6: Final answer
    x = 1,408,044.19

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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.