Home / 1,515,006.92-2,091,466.68-942,231.80

Finding the Fourth Proportional to 1,515,006.92, 2,091,466.68 and 942,231.80

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Solution

The fourth proportional to 1,515,006.92, 2,091,466.68 and 942,231.80 is: 1,300,750.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,006.92 : 2,091,466.68 = 942,231.80 : x
  2. Step 2: Convert to fraction form
    1,515,006.92/2,091,466.68 = 942,231.80/x
  3. Step 3: Cross multiply
    1,515,006.92x = 2,091,466.68 × 942,231.80
  4. Step 4: Simplify right side
    1,515,006.92x = 1,970,646,414,536.42
  5. Step 5: Solve for x
    x = 1,970,646,414,536.42/1,515,006.92
  6. Step 6: Final answer
    x = 1,300,750.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.