Home / 1,025,591.10-1,539,370.80-520,722.15

Finding the Fourth Proportional to 1,025,591.10, 1,539,370.80 and 520,722.15

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Solution

The fourth proportional to 1,025,591.10, 1,539,370.80 and 520,722.15 is: 781,582.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,591.10 : 1,539,370.80 = 520,722.15 : x
  2. Step 2: Convert to fraction form
    1,025,591.10/1,539,370.80 = 520,722.15/x
  3. Step 3: Cross multiply
    1,025,591.10x = 1,539,370.80 × 520,722.15
  4. Step 4: Simplify right side
    1,025,591.10x = 801,584,472,623.22
  5. Step 5: Solve for x
    x = 801,584,472,623.22/1,025,591.10
  6. Step 6: Final answer
    x = 781,582.91

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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.