Home / 1,016,828.12-1,403,222.28-557,945.66

Finding the Fourth Proportional to 1,016,828.12, 1,403,222.28 and 557,945.66

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Solution

The fourth proportional to 1,016,828.12, 1,403,222.28 and 557,945.66 is: 769,964.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,828.12 : 1,403,222.28 = 557,945.66 : x
  2. Step 2: Convert to fraction form
    1,016,828.12/1,403,222.28 = 557,945.66/x
  3. Step 3: Cross multiply
    1,016,828.12x = 1,403,222.28 × 557,945.66
  4. Step 4: Simplify right side
    1,016,828.12x = 782,921,781,141.31
  5. Step 5: Solve for x
    x = 782,921,781,141.31/1,016,828.12
  6. Step 6: Final answer
    x = 769,964.72

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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.