Home / 756,026.20-1,135,728.90-631,610.20

Finding the Fourth Proportional to 756,026.20, 1,135,728.90 and 631,610.20

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Solution

The fourth proportional to 756,026.20, 1,135,728.90 and 631,610.20 is: 948,826.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,026.20 : 1,135,728.90 = 631,610.20 : x
  2. Step 2: Convert to fraction form
    756,026.20/1,135,728.90 = 631,610.20/x
  3. Step 3: Cross multiply
    756,026.20x = 1,135,728.90 × 631,610.20
  4. Step 4: Simplify right side
    756,026.20x = 717,337,957,674.78
  5. Step 5: Solve for x
    x = 717,337,957,674.78/756,026.20
  6. Step 6: Final answer
    x = 948,826.85

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1.5x scale

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.