Home / 1,342,672.20-2,016,341.10-712,816.20

Finding the Fourth Proportional to 1,342,672.20, 2,016,341.10 and 712,816.20

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Solution

The fourth proportional to 1,342,672.20, 2,016,341.10 and 712,816.20 is: 1,070,462.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,672.20 : 2,016,341.10 = 712,816.20 : x
  2. Step 2: Convert to fraction form
    1,342,672.20/2,016,341.10 = 712,816.20/x
  3. Step 3: Cross multiply
    1,342,672.20x = 2,016,341.10 × 712,816.20
  4. Step 4: Simplify right side
    1,342,672.20x = 1,437,280,600,805.82
  5. Step 5: Solve for x
    x = 1,437,280,600,805.82/1,342,672.20
  6. Step 6: Final answer
    x = 1,070,462.77

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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.