Home / 1,486,733.10-2,230,184.43-421,691.46

Finding the Fourth Proportional to 1,486,733.10, 2,230,184.43 and 421,691.46

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Solution

The fourth proportional to 1,486,733.10, 2,230,184.43 and 421,691.46 is: 632,561.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,733.10 : 2,230,184.43 = 421,691.46 : x
  2. Step 2: Convert to fraction form
    1,486,733.10/2,230,184.43 = 421,691.46/x
  3. Step 3: Cross multiply
    1,486,733.10x = 2,230,184.43 × 421,691.46
  4. Step 4: Simplify right side
    1,486,733.10x = 940,449,728,355.97
  5. Step 5: Solve for x
    x = 940,449,728,355.97/1,486,733.10
  6. Step 6: Final answer
    x = 632,561.24

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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.