Home / 1,041,315.75-1,561,375.85-409,885.11

Finding the Fourth Proportional to 1,041,315.75, 1,561,375.85 and 409,885.11

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Solution

The fourth proportional to 1,041,315.75, 1,561,375.85 and 409,885.11 is: 614,592.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041,315.75 : 1,561,375.85 = 409,885.11 : x
  2. Step 2: Convert to fraction form
    1,041,315.75/1,561,375.85 = 409,885.11/x
  3. Step 3: Cross multiply
    1,041,315.75x = 1,561,375.85 × 409,885.11
  4. Step 4: Simplify right side
    1,041,315.75x = 639,984,709,979.17
  5. Step 5: Solve for x
    x = 639,984,709,979.17/1,041,315.75
  6. Step 6: Final answer
    x = 614,592.37

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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.