Home / 1,027,695.95-1,540,843.28-521,280.43

Finding the Fourth Proportional to 1,027,695.95, 1,540,843.28 and 521,280.43

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Solution

The fourth proportional to 1,027,695.95, 1,540,843.28 and 521,280.43 is: 781,565.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,695.95 : 1,540,843.28 = 521,280.43 : x
  2. Step 2: Convert to fraction form
    1,027,695.95/1,540,843.28 = 521,280.43/x
  3. Step 3: Cross multiply
    1,027,695.95x = 1,540,843.28 × 521,280.43
  4. Step 4: Simplify right side
    1,027,695.95x = 803,211,443,057.30
  5. Step 5: Solve for x
    x = 803,211,443,057.30/1,027,695.95
  6. Step 6: Final answer
    x = 781,565.25

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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.