Home / 1,429,751.45-2,144,990.47-405,080.61

Finding the Fourth Proportional to 1,429,751.45, 2,144,990.47 and 405,080.61

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Solution

The fourth proportional to 1,429,751.45, 2,144,990.47 and 405,080.61 is: 607,723.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,751.45 : 2,144,990.47 = 405,080.61 : x
  2. Step 2: Convert to fraction form
    1,429,751.45/2,144,990.47 = 405,080.61/x
  3. Step 3: Cross multiply
    1,429,751.45x = 2,144,990.47 × 405,080.61
  4. Step 4: Simplify right side
    1,429,751.45x = 868,894,055,062.80
  5. Step 5: Solve for x
    x = 868,894,055,062.80/1,429,751.45
  6. Step 6: Final answer
    x = 607,723.85

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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.