Home / 815,627.30-1,225,895.18-674,377.18

Finding the Fourth Proportional to 815,627.30, 1,225,895.18 and 674,377.18

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Solution

The fourth proportional to 815,627.30, 1,225,895.18 and 674,377.18 is: 1,013,594.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,627.30 : 1,225,895.18 = 674,377.18 : x
  2. Step 2: Convert to fraction form
    815,627.30/1,225,895.18 = 674,377.18/x
  3. Step 3: Cross multiply
    815,627.30x = 1,225,895.18 × 674,377.18
  4. Step 4: Simplify right side
    815,627.30x = 826,715,728,027.37
  5. Step 5: Solve for x
    x = 826,715,728,027.37/815,627.30
  6. Step 6: Final answer
    x = 1,013,594.98

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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.