Home / 1,342,060.83-2,013,231.02-431,013.15

Finding the Fourth Proportional to 1,342,060.83, 2,013,231.02 and 431,013.15

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Solution

The fourth proportional to 1,342,060.83, 2,013,231.02 and 431,013.15 is: 646,564.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,060.83 : 2,013,231.02 = 431,013.15 : x
  2. Step 2: Convert to fraction form
    1,342,060.83/2,013,231.02 = 431,013.15/x
  3. Step 3: Cross multiply
    1,342,060.83x = 2,013,231.02 × 431,013.15
  4. Step 4: Simplify right side
    1,342,060.83x = 867,729,041,452.85
  5. Step 5: Solve for x
    x = 867,729,041,452.85/1,342,060.83
  6. Step 6: Final answer
    x = 646,564.61

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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.