Home / 1,267,890.17-1,901,952.47-458,476.61

Finding the Fourth Proportional to 1,267,890.17, 1,901,952.47 and 458,476.61

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Solution

The fourth proportional to 1,267,890.17, 1,901,952.47 and 458,476.61 is: 687,757.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,890.17 : 1,901,952.47 = 458,476.61 : x
  2. Step 2: Convert to fraction form
    1,267,890.17/1,901,952.47 = 458,476.61/x
  3. Step 3: Cross multiply
    1,267,890.17x = 1,901,952.47 × 458,476.61
  4. Step 4: Simplify right side
    1,267,890.17x = 872,000,712,463.16
  5. Step 5: Solve for x
    x = 872,000,712,463.16/1,267,890.17
  6. Step 6: Final answer
    x = 687,757.30

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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.