Home / 1,294,508.80-1,940,726.40-545,939.20

Finding the Fourth Proportional to 1,294,508.80, 1,940,726.40 and 545,939.20

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Solution

The fourth proportional to 1,294,508.80, 1,940,726.40 and 545,939.20 is: 818,471.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,508.80 : 1,940,726.40 = 545,939.20 : x
  2. Step 2: Convert to fraction form
    1,294,508.80/1,940,726.40 = 545,939.20/x
  3. Step 3: Cross multiply
    1,294,508.80x = 1,940,726.40 × 545,939.20
  4. Step 4: Simplify right side
    1,294,508.80x = 1,059,518,618,234.88
  5. Step 5: Solve for x
    x = 1,059,518,618,234.88/1,294,508.80
  6. Step 6: Final answer
    x = 818,471.55

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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.