Home / 1,776,449.22-2,664,649.08-428,600.52

Finding the Fourth Proportional to 1,776,449.22, 2,664,649.08 and 428,600.52

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Solution

The fourth proportional to 1,776,449.22, 2,664,649.08 and 428,600.52 is: 642,894.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,449.22 : 2,664,649.08 = 428,600.52 : x
  2. Step 2: Convert to fraction form
    1,776,449.22/2,664,649.08 = 428,600.52/x
  3. Step 3: Cross multiply
    1,776,449.22x = 2,664,649.08 × 428,600.52
  4. Step 4: Simplify right side
    1,776,449.22x = 1,142,069,981,305.52
  5. Step 5: Solve for x
    x = 1,142,069,981,305.52/1,776,449.22
  6. Step 6: Final answer
    x = 642,894.81

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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.