Home / 981,364.60-1,472,046.90-910,505.80

Finding the Fourth Proportional to 981,364.60, 1,472,046.90 and 910,505.80

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Solution

The fourth proportional to 981,364.60, 1,472,046.90 and 910,505.80 is: 1,365,758.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,364.60 : 1,472,046.90 = 910,505.80 : x
  2. Step 2: Convert to fraction form
    981,364.60/1,472,046.90 = 910,505.80/x
  3. Step 3: Cross multiply
    981,364.60x = 1,472,046.90 × 910,505.80
  4. Step 4: Simplify right side
    981,364.60x = 1,340,307,240,322.02
  5. Step 5: Solve for x
    x = 1,340,307,240,322.02/981,364.60
  6. Step 6: Final answer
    x = 1,365,758.70

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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.