Home / 1,123,642.70-1,685,464.05-745,729.10

Finding the Fourth Proportional to 1,123,642.70, 1,685,464.05 and 745,729.10

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Solution

The fourth proportional to 1,123,642.70, 1,685,464.05 and 745,729.10 is: 1,118,593.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,642.70 : 1,685,464.05 = 745,729.10 : x
  2. Step 2: Convert to fraction form
    1,123,642.70/1,685,464.05 = 745,729.10/x
  3. Step 3: Cross multiply
    1,123,642.70x = 1,685,464.05 × 745,729.10
  4. Step 4: Simplify right side
    1,123,642.70x = 1,256,899,589,088.86
  5. Step 5: Solve for x
    x = 1,256,899,589,088.86/1,123,642.70
  6. Step 6: Final answer
    x = 1,118,593.65

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Similar ratio
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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.