Home / 1,042,125.90-1,563,334.65-443,082.30

Finding the Fourth Proportional to 1,042,125.90, 1,563,334.65 and 443,082.30

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Solution

The fourth proportional to 1,042,125.90, 1,563,334.65 and 443,082.30 is: 664,685.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,125.90 : 1,563,334.65 = 443,082.30 : x
  2. Step 2: Convert to fraction form
    1,042,125.90/1,563,334.65 = 443,082.30/x
  3. Step 3: Cross multiply
    1,042,125.90x = 1,563,334.65 × 443,082.30
  4. Step 4: Simplify right side
    1,042,125.90x = 692,685,912,391.70
  5. Step 5: Solve for x
    x = 692,685,912,391.70/1,042,125.90
  6. Step 6: Final answer
    x = 664,685.44

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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.