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Finding the Fourth Proportional to 1,042,707, 1,438,935.66 and 565,779

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Solution

The fourth proportional to 1,042,707, 1,438,935.66 and 565,779 is: 780,775.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,707 : 1,438,935.66 = 565,779 : x
  2. Step 2: Convert to fraction form
    1,042,707/1,438,935.66 = 565,779/x
  3. Step 3: Cross multiply
    1,042,707x = 1,438,935.66 × 565,779
  4. Step 4: Simplify right side
    1,042,707x = 814,119,578,779.14
  5. Step 5: Solve for x
    x = 814,119,578,779.14/1,042,707
  6. Step 6: Final answer
    x = 780,775.02

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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.