Home / 1,092,148.20-1,638,222.30-714,234.60

Finding the Fourth Proportional to 1,092,148.20, 1,638,222.30 and 714,234.60

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Solution

The fourth proportional to 1,092,148.20, 1,638,222.30 and 714,234.60 is: 1,071,351.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,148.20 : 1,638,222.30 = 714,234.60 : x
  2. Step 2: Convert to fraction form
    1,092,148.20/1,638,222.30 = 714,234.60/x
  3. Step 3: Cross multiply
    1,092,148.20x = 1,638,222.30 × 714,234.60
  4. Step 4: Simplify right side
    1,092,148.20x = 1,170,075,049,151.58
  5. Step 5: Solve for x
    x = 1,170,075,049,151.58/1,092,148.20
  6. Step 6: Final answer
    x = 1,071,351.90

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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.