Home / 1,138,468.40-1,706,320.20-506,711.60

Finding the Fourth Proportional to 1,138,468.40, 1,706,320.20 and 506,711.60

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Solution

The fourth proportional to 1,138,468.40, 1,706,320.20 and 506,711.60 is: 759,452.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,468.40 : 1,706,320.20 = 506,711.60 : x
  2. Step 2: Convert to fraction form
    1,138,468.40/1,706,320.20 = 506,711.60/x
  3. Step 3: Cross multiply
    1,138,468.40x = 1,706,320.20 × 506,711.60
  4. Step 4: Simplify right side
    1,138,468.40x = 864,612,238,654.32
  5. Step 5: Solve for x
    x = 864,612,238,654.32/1,138,468.40
  6. Step 6: Final answer
    x = 759,452.12

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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.