Home / 981,343.60-1,472,015.40-953,695.60

Finding the Fourth Proportional to 981,343.60, 1,472,015.40 and 953,695.60

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Solution

The fourth proportional to 981,343.60, 1,472,015.40 and 953,695.60 is: 1,430,543.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,343.60 : 1,472,015.40 = 953,695.60 : x
  2. Step 2: Convert to fraction form
    981,343.60/1,472,015.40 = 953,695.60/x
  3. Step 3: Cross multiply
    981,343.60x = 1,472,015.40 × 953,695.60
  4. Step 4: Simplify right side
    981,343.60x = 1,403,854,610,112.24
  5. Step 5: Solve for x
    x = 1,403,854,610,112.24/981,343.60
  6. Step 6: Final answer
    x = 1,430,543.40

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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.