Home / 1,280,425.01-1,767,022.16-707,502.29

Finding the Fourth Proportional to 1,280,425.01, 1,767,022.16 and 707,502.29

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Solution

The fourth proportional to 1,280,425.01, 1,767,022.16 and 707,502.29 is: 976,372.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,425.01 : 1,767,022.16 = 707,502.29 : x
  2. Step 2: Convert to fraction form
    1,280,425.01/1,767,022.16 = 707,502.29/x
  3. Step 3: Cross multiply
    1,280,425.01x = 1,767,022.16 × 707,502.29
  4. Step 4: Simplify right side
    1,280,425.01x = 1,250,172,212,308.12
  5. Step 5: Solve for x
    x = 1,250,172,212,308.12/1,280,425.01
  6. Step 6: Final answer
    x = 976,372.85

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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.