Home / 981,386.60-1,472,079.90-910,527.80

Finding the Fourth Proportional to 981,386.60, 1,472,079.90 and 910,527.80

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Solution

The fourth proportional to 981,386.60, 1,472,079.90 and 910,527.80 is: 1,365,791.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,386.60 : 1,472,079.90 = 910,527.80 : x
  2. Step 2: Convert to fraction form
    981,386.60/1,472,079.90 = 910,527.80/x
  3. Step 3: Cross multiply
    981,386.60x = 1,472,079.90 × 910,527.80
  4. Step 4: Simplify right side
    981,386.60x = 1,340,369,672,771.22
  5. Step 5: Solve for x
    x = 1,340,369,672,771.22/981,386.60
  6. Step 6: Final answer
    x = 1,365,791.70

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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.