Home / 1,123,637.70-1,685,456.55-745,724.10

Finding the Fourth Proportional to 1,123,637.70, 1,685,456.55 and 745,724.10

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Solution

The fourth proportional to 1,123,637.70, 1,685,456.55 and 745,724.10 is: 1,118,586.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,637.70 : 1,685,456.55 = 745,724.10 : x
  2. Step 2: Convert to fraction form
    1,123,637.70/1,685,456.55 = 745,724.10/x
  3. Step 3: Cross multiply
    1,123,637.70x = 1,685,456.55 × 745,724.10
  4. Step 4: Simplify right side
    1,123,637.70x = 1,256,885,568,837.86
  5. Step 5: Solve for x
    x = 1,256,885,568,837.86/1,123,637.70
  6. Step 6: Final answer
    x = 1,118,586.15

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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.