Home / 1,489,326.20-2,233,941.74-478,444.04

Finding the Fourth Proportional to 1,489,326.20, 2,233,941.74 and 478,444.04

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Solution

The fourth proportional to 1,489,326.20, 2,233,941.74 and 478,444.04 is: 717,650.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,326.20 : 2,233,941.74 = 478,444.04 : x
  2. Step 2: Convert to fraction form
    1,489,326.20/2,233,941.74 = 478,444.04/x
  3. Step 3: Cross multiply
    1,489,326.20x = 2,233,941.74 × 478,444.04
  4. Step 4: Simplify right side
    1,489,326.20x = 1,068,816,111,210.23
  5. Step 5: Solve for x
    x = 1,068,816,111,210.23/1,489,326.20
  6. Step 6: Final answer
    x = 717,650.78

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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.