Home / 1,005,780.73-1,387,979-546,894.94

Finding the Fourth Proportional to 1,005,780.73, 1,387,979 and 546,894.94

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Solution

The fourth proportional to 1,005,780.73, 1,387,979 and 546,894.94 is: 754,715.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,780.73 : 1,387,979 = 546,894.94 : x
  2. Step 2: Convert to fraction form
    1,005,780.73/1,387,979 = 546,894.94/x
  3. Step 3: Cross multiply
    1,005,780.73x = 1,387,979 × 546,894.94
  4. Step 4: Simplify right side
    1,005,780.73x = 759,078,691,926.26
  5. Step 5: Solve for x
    x = 759,078,691,926.26/1,005,780.73
  6. Step 6: Final answer
    x = 754,715.88

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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.