Home / 1,288,897.13-1,934,233.25-447,448.88

Finding the Fourth Proportional to 1,288,897.13, 1,934,233.25 and 447,448.88

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Solution

The fourth proportional to 1,288,897.13, 1,934,233.25 and 447,448.88 is: 671,481.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,897.13 : 1,934,233.25 = 447,448.88 : x
  2. Step 2: Convert to fraction form
    1,288,897.13/1,934,233.25 = 447,448.88/x
  3. Step 3: Cross multiply
    1,288,897.13x = 1,934,233.25 × 447,448.88
  4. Step 4: Simplify right side
    1,288,897.13x = 865,470,489,462.85
  5. Step 5: Solve for x
    x = 865,470,489,462.85/1,288,897.13
  6. Step 6: Final answer
    x = 671,481.43

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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.