Home / 1,435,915.24-1,981,576.56-791,358.64

Finding the Fourth Proportional to 1,435,915.24, 1,981,576.56 and 791,358.64

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Solution

The fourth proportional to 1,435,915.24, 1,981,576.56 and 791,358.64 is: 1,092,082.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,915.24 : 1,981,576.56 = 791,358.64 : x
  2. Step 2: Convert to fraction form
    1,435,915.24/1,981,576.56 = 791,358.64/x
  3. Step 3: Cross multiply
    1,435,915.24x = 1,981,576.56 × 791,358.64
  4. Step 4: Simplify right side
    1,435,915.24x = 1,568,137,731,577.48
  5. Step 5: Solve for x
    x = 1,568,137,731,577.48/1,435,915.24
  6. Step 6: Final answer
    x = 1,092,082.38

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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.