Home / 1,342,575.20-2,016,195.60-712,719.20

Finding the Fourth Proportional to 1,342,575.20, 2,016,195.60 and 712,719.20

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Solution

The fourth proportional to 1,342,575.20, 2,016,195.60 and 712,719.20 is: 1,070,317.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,575.20 : 2,016,195.60 = 712,719.20 : x
  2. Step 2: Convert to fraction form
    1,342,575.20/2,016,195.60 = 712,719.20/x
  3. Step 3: Cross multiply
    1,342,575.20x = 2,016,195.60 × 712,719.20
  4. Step 4: Simplify right side
    1,342,575.20x = 1,436,981,315,075.52
  5. Step 5: Solve for x
    x = 1,436,981,315,075.52/1,342,575.20
  6. Step 6: Final answer
    x = 1,070,317.19

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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.