Home / 1,555,034.52-2,332,551.78-657,489.72

Finding the Fourth Proportional to 1,555,034.52, 2,332,551.78 and 657,489.72

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Solution

The fourth proportional to 1,555,034.52, 2,332,551.78 and 657,489.72 is: 986,234.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,034.52 : 2,332,551.78 = 657,489.72 : x
  2. Step 2: Convert to fraction form
    1,555,034.52/2,332,551.78 = 657,489.72/x
  3. Step 3: Cross multiply
    1,555,034.52x = 2,332,551.78 × 657,489.72
  4. Step 4: Simplify right side
    1,555,034.52x = 1,533,628,816,717.70
  5. Step 5: Solve for x
    x = 1,533,628,816,717.70/1,555,034.52
  6. Step 6: Final answer
    x = 986,234.58

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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.