Home / 1,005,490.30-1,387,585.62-546,605.76

Finding the Fourth Proportional to 1,005,490.30, 1,387,585.62 and 546,605.76

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Solution

The fourth proportional to 1,005,490.30, 1,387,585.62 and 546,605.76 is: 754,320.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,490.30 : 1,387,585.62 = 546,605.76 : x
  2. Step 2: Convert to fraction form
    1,005,490.30/1,387,585.62 = 546,605.76/x
  3. Step 3: Cross multiply
    1,005,490.30x = 1,387,585.62 × 546,605.76
  4. Step 4: Simplify right side
    1,005,490.30x = 758,462,292,385.17
  5. Step 5: Solve for x
    x = 758,462,292,385.17/1,005,490.30
  6. Step 6: Final answer
    x = 754,320.84

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1.5x scale

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.