Home / 1,337,143.20-2,004,829.20-738,391.20

Finding the Fourth Proportional to 1,337,143.20, 2,004,829.20 and 738,391.20

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Solution

The fourth proportional to 1,337,143.20, 2,004,829.20 and 738,391.20 is: 1,107,097.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,143.20 : 2,004,829.20 = 738,391.20 : x
  2. Step 2: Convert to fraction form
    1,337,143.20/2,004,829.20 = 738,391.20/x
  3. Step 3: Cross multiply
    1,337,143.20x = 2,004,829.20 × 738,391.20
  4. Step 4: Simplify right side
    1,337,143.20x = 1,480,348,238,783.04
  5. Step 5: Solve for x
    x = 1,480,348,238,783.04/1,337,143.20
  6. Step 6: Final answer
    x = 1,107,097.76

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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.