Home / 1,092,147.20-1,638,220.80-714,233.60

Finding the Fourth Proportional to 1,092,147.20, 1,638,220.80 and 714,233.60

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Solution

The fourth proportional to 1,092,147.20, 1,638,220.80 and 714,233.60 is: 1,071,350.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,147.20 : 1,638,220.80 = 714,233.60 : x
  2. Step 2: Convert to fraction form
    1,092,147.20/1,638,220.80 = 714,233.60/x
  3. Step 3: Cross multiply
    1,092,147.20x = 1,638,220.80 × 714,233.60
  4. Step 4: Simplify right side
    1,092,147.20x = 1,170,072,339,578.88
  5. Step 5: Solve for x
    x = 1,170,072,339,578.88/1,092,147.20
  6. Step 6: Final answer
    x = 1,071,350.40

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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.