Home / 981,687.60-1,473,913.80-608,439.60

Finding the Fourth Proportional to 981,687.60, 1,473,913.80 and 608,439.60

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Solution

The fourth proportional to 981,687.60, 1,473,913.80 and 608,439.60 is: 913,516.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,687.60 : 1,473,913.80 = 608,439.60 : x
  2. Step 2: Convert to fraction form
    981,687.60/1,473,913.80 = 608,439.60/x
  3. Step 3: Cross multiply
    981,687.60x = 1,473,913.80 × 608,439.60
  4. Step 4: Simplify right side
    981,687.60x = 896,787,522,906.48
  5. Step 5: Solve for x
    x = 896,787,522,906.48/981,687.60
  6. Step 6: Final answer
    x = 913,516.20

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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.