Home / 1,069,472.56-1,604,992.92-861,620.08

Finding the Fourth Proportional to 1,069,472.56, 1,604,992.92 and 861,620.08

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Solution

The fourth proportional to 1,069,472.56, 1,604,992.92 and 861,620.08 is: 1,293,061.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,472.56 : 1,604,992.92 = 861,620.08 : x
  2. Step 2: Convert to fraction form
    1,069,472.56/1,604,992.92 = 861,620.08/x
  3. Step 3: Cross multiply
    1,069,472.56x = 1,604,992.92 × 861,620.08
  4. Step 4: Simplify right side
    1,069,472.56x = 1,382,894,128,129.83
  5. Step 5: Solve for x
    x = 1,382,894,128,129.83/1,069,472.56
  6. Step 6: Final answer
    x = 1,293,061.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.