Home / 1,275,896.40-1,760,737.60-702,931.52

Finding the Fourth Proportional to 1,275,896.40, 1,760,737.60 and 702,931.52

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Solution

The fourth proportional to 1,275,896.40, 1,760,737.60 and 702,931.52 is: 970,045.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,896.40 : 1,760,737.60 = 702,931.52 : x
  2. Step 2: Convert to fraction form
    1,275,896.40/1,760,737.60 = 702,931.52/x
  3. Step 3: Cross multiply
    1,275,896.40x = 1,760,737.60 × 702,931.52
  4. Step 4: Simplify right side
    1,275,896.40x = 1,237,677,957,489.15
  5. Step 5: Solve for x
    x = 1,237,677,957,489.15/1,275,896.40
  6. Step 6: Final answer
    x = 970,045.81

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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.