Home / 1,436,363.21-2,153,882.39-425,123.57

Finding the Fourth Proportional to 1,436,363.21, 2,153,882.39 and 425,123.57

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Solution

The fourth proportional to 1,436,363.21, 2,153,882.39 and 425,123.57 is: 637,489.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,363.21 : 2,153,882.39 = 425,123.57 : x
  2. Step 2: Convert to fraction form
    1,436,363.21/2,153,882.39 = 425,123.57/x
  3. Step 3: Cross multiply
    1,436,363.21x = 2,153,882.39 × 425,123.57
  4. Step 4: Simplify right side
    1,436,363.21x = 915,666,161,290.33
  5. Step 5: Solve for x
    x = 915,666,161,290.33/1,436,363.21
  6. Step 6: Final answer
    x = 637,489.29

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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.