Home / 1,307,079.31-1,960,951.60-767,791.61

Finding the Fourth Proportional to 1,307,079.31, 1,960,951.60 and 767,791.61

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Solution

The fourth proportional to 1,307,079.31, 1,960,951.60 and 767,791.61 is: 1,151,882.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,079.31 : 1,960,951.60 = 767,791.61 : x
  2. Step 2: Convert to fraction form
    1,307,079.31/1,960,951.60 = 767,791.61/x
  3. Step 3: Cross multiply
    1,307,079.31x = 1,960,951.60 × 767,791.61
  4. Step 4: Simplify right side
    1,307,079.31x = 1,505,602,186,764.04
  5. Step 5: Solve for x
    x = 1,505,602,186,764.04/1,307,079.31
  6. Step 6: Final answer
    x = 1,151,882.81

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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.