Home / 1,120,874.50-1,681,326.42-372,920.50

Finding the Fourth Proportional to 1,120,874.50, 1,681,326.42 and 372,920.50

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Solution

The fourth proportional to 1,120,874.50, 1,681,326.42 and 372,920.50 is: 559,385.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,874.50 : 1,681,326.42 = 372,920.50 : x
  2. Step 2: Convert to fraction form
    1,120,874.50/1,681,326.42 = 372,920.50/x
  3. Step 3: Cross multiply
    1,120,874.50x = 1,681,326.42 × 372,920.50
  4. Step 4: Simplify right side
    1,120,874.50x = 627,001,089,209.61
  5. Step 5: Solve for x
    x = 627,001,089,209.61/1,120,874.50
  6. Step 6: Final answer
    x = 559,385.63

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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.