Home / 1,088,329.43-1,632,489.02-278,712.28

Finding the Fourth Proportional to 1,088,329.43, 1,632,489.02 and 278,712.28

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Solution

The fourth proportional to 1,088,329.43, 1,632,489.02 and 278,712.28 is: 418,067.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,329.43 : 1,632,489.02 = 278,712.28 : x
  2. Step 2: Convert to fraction form
    1,088,329.43/1,632,489.02 = 278,712.28/x
  3. Step 3: Cross multiply
    1,088,329.43x = 1,632,489.02 × 278,712.28
  4. Step 4: Simplify right side
    1,088,329.43x = 454,994,735,445.60
  5. Step 5: Solve for x
    x = 454,994,735,445.60/1,088,329.43
  6. Step 6: Final answer
    x = 418,067.11

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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.