Home / 1,555,950.78-2,332,307.79-656,641.80

Finding the Fourth Proportional to 1,555,950.78, 2,332,307.79 and 656,641.80

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Solution

The fourth proportional to 1,555,950.78, 2,332,307.79 and 656,641.80 is: 984,279.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,950.78 : 2,332,307.79 = 656,641.80 : x
  2. Step 2: Convert to fraction form
    1,555,950.78/2,332,307.79 = 656,641.80/x
  3. Step 3: Cross multiply
    1,555,950.78x = 2,332,307.79 × 656,641.80
  4. Step 4: Simplify right side
    1,555,950.78x = 1,531,490,785,379.62
  5. Step 5: Solve for x
    x = 1,531,490,785,379.62/1,555,950.78
  6. Step 6: Final answer
    x = 984,279.71

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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.