Home / 1,123,008.76-1,683,502.24-412,885

Finding the Fourth Proportional to 1,123,008.76, 1,683,502.24 and 412,885

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Solution

The fourth proportional to 1,123,008.76, 1,683,502.24 and 412,885 is: 618,955.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,008.76 : 1,683,502.24 = 412,885 : x
  2. Step 2: Convert to fraction form
    1,123,008.76/1,683,502.24 = 412,885/x
  3. Step 3: Cross multiply
    1,123,008.76x = 1,683,502.24 × 412,885
  4. Step 4: Simplify right side
    1,123,008.76x = 695,092,822,362.40
  5. Step 5: Solve for x
    x = 695,092,822,362.40/1,123,008.76
  6. Step 6: Final answer
    x = 618,955.83

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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.