Home / 1,382,728.80-2,073,747.60-529,615.20

Finding the Fourth Proportional to 1,382,728.80, 2,073,747.60 and 529,615.20

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Solution

The fourth proportional to 1,382,728.80, 2,073,747.60 and 529,615.20 is: 794,290.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,728.80 : 2,073,747.60 = 529,615.20 : x
  2. Step 2: Convert to fraction form
    1,382,728.80/2,073,747.60 = 529,615.20/x
  3. Step 3: Cross multiply
    1,382,728.80x = 2,073,747.60 × 529,615.20
  4. Step 4: Simplify right side
    1,382,728.80x = 1,098,288,249,923.52
  5. Step 5: Solve for x
    x = 1,098,288,249,923.52/1,382,728.80
  6. Step 6: Final answer
    x = 794,290.43

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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.