Home / 1,123,828.32-1,550,357.11-736,540.70

Finding the Fourth Proportional to 1,123,828.32, 1,550,357.11 and 736,540.70

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Solution

The fourth proportional to 1,123,828.32, 1,550,357.11 and 736,540.70 is: 1,016,081.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,828.32 : 1,550,357.11 = 736,540.70 : x
  2. Step 2: Convert to fraction form
    1,123,828.32/1,550,357.11 = 736,540.70/x
  3. Step 3: Cross multiply
    1,123,828.32x = 1,550,357.11 × 736,540.70
  4. Step 4: Simplify right side
    1,123,828.32x = 1,141,901,104,218.27
  5. Step 5: Solve for x
    x = 1,141,901,104,218.27/1,123,828.32
  6. Step 6: Final answer
    x = 1,016,081.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.