Home / 1,123,767.20-1,685,299.44-375,638.24

Finding the Fourth Proportional to 1,123,767.20, 1,685,299.44 and 375,638.24

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Solution

The fourth proportional to 1,123,767.20, 1,685,299.44 and 375,638.24 is: 563,339.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,767.20 : 1,685,299.44 = 375,638.24 : x
  2. Step 2: Convert to fraction form
    1,123,767.20/1,685,299.44 = 375,638.24/x
  3. Step 3: Cross multiply
    1,123,767.20x = 1,685,299.44 × 375,638.24
  4. Step 4: Simplify right side
    1,123,767.20x = 633,062,921,136.48
  5. Step 5: Solve for x
    x = 633,062,921,136.48/1,123,767.20
  6. Step 6: Final answer
    x = 563,339.92

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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.