Home / 1,026,672.10-1,539,176.55-428,082.10

Finding the Fourth Proportional to 1,026,672.10, 1,539,176.55 and 428,082.10

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Solution

The fourth proportional to 1,026,672.10, 1,539,176.55 and 428,082.10 is: 641,776.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,672.10 : 1,539,176.55 = 428,082.10 : x
  2. Step 2: Convert to fraction form
    1,026,672.10/1,539,176.55 = 428,082.10/x
  3. Step 3: Cross multiply
    1,026,672.10x = 1,539,176.55 × 428,082.10
  4. Step 4: Simplify right side
    1,026,672.10x = 658,893,929,794.76
  5. Step 5: Solve for x
    x = 658,893,929,794.76/1,026,672.10
  6. Step 6: Final answer
    x = 641,776.41

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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.