Home / 1,005,121.90-1,509,432.45-532,729.90

Finding the Fourth Proportional to 1,005,121.90, 1,509,432.45 and 532,729.90

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Solution

The fourth proportional to 1,005,121.90, 1,509,432.45 and 532,729.90 is: 800,022.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,121.90 : 1,509,432.45 = 532,729.90 : x
  2. Step 2: Convert to fraction form
    1,005,121.90/1,509,432.45 = 532,729.90/x
  3. Step 3: Cross multiply
    1,005,121.90x = 1,509,432.45 × 532,729.90
  4. Step 4: Simplify right side
    1,005,121.90x = 804,119,798,145.26
  5. Step 5: Solve for x
    x = 804,119,798,145.26/1,005,121.90
  6. Step 6: Final answer
    x = 800,022.16

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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.