Home / 1,005,286.29-1,387,304.31-546,401.90

Finding the Fourth Proportional to 1,005,286.29, 1,387,304.31 and 546,401.90

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Solution

The fourth proportional to 1,005,286.29, 1,387,304.31 and 546,401.90 is: 754,039.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,286.29 : 1,387,304.31 = 546,401.90 : x
  2. Step 2: Convert to fraction form
    1,005,286.29/1,387,304.31 = 546,401.90/x
  3. Step 3: Cross multiply
    1,005,286.29x = 1,387,304.31 × 546,401.90
  4. Step 4: Simplify right side
    1,005,286.29x = 758,025,716,379.46
  5. Step 5: Solve for x
    x = 758,025,716,379.46/1,005,286.29
  6. Step 6: Final answer
    x = 754,039.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.