Home / 1,906,658.32-2,859,986.55-486,713.95

Finding the Fourth Proportional to 1,906,658.32, 2,859,986.55 and 486,713.95

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Solution

The fourth proportional to 1,906,658.32, 2,859,986.55 and 486,713.95 is: 730,070.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906,658.32 : 2,859,986.55 = 486,713.95 : x
  2. Step 2: Convert to fraction form
    1,906,658.32/2,859,986.55 = 486,713.95/x
  3. Step 3: Cross multiply
    1,906,658.32x = 2,859,986.55 × 486,713.95
  4. Step 4: Simplify right side
    1,906,658.32x = 1,391,995,350,697.37
  5. Step 5: Solve for x
    x = 1,391,995,350,697.37/1,906,658.32
  6. Step 6: Final answer
    x = 730,070.69

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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.