Home / 1,988,999.46-2,983,793.22-726,531.84

Finding the Fourth Proportional to 1,988,999.46, 2,983,793.22 and 726,531.84

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Solution

The fourth proportional to 1,988,999.46, 2,983,793.22 and 726,531.84 is: 1,089,905.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,999.46 : 2,983,793.22 = 726,531.84 : x
  2. Step 2: Convert to fraction form
    1,988,999.46/2,983,793.22 = 726,531.84/x
  3. Step 3: Cross multiply
    1,988,999.46x = 2,983,793.22 × 726,531.84
  4. Step 4: Simplify right side
    1,988,999.46x = 2,167,820,778,306.12
  5. Step 5: Solve for x
    x = 2,167,820,778,306.12/1,988,999.46
  6. Step 6: Final answer
    x = 1,089,905.16

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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.