Home / 1,097,531.20-1,649,061.60-698,363.20

Finding the Fourth Proportional to 1,097,531.20, 1,649,061.60 and 698,363.20

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Solution

The fourth proportional to 1,097,531.20, 1,649,061.60 and 698,363.20 is: 1,049,304.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,531.20 : 1,649,061.60 = 698,363.20 : x
  2. Step 2: Convert to fraction form
    1,097,531.20/1,649,061.60 = 698,363.20/x
  3. Step 3: Cross multiply
    1,097,531.20x = 1,649,061.60 × 698,363.20
  4. Step 4: Simplify right side
    1,097,531.20x = 1,151,643,935,973.12
  5. Step 5: Solve for x
    x = 1,151,643,935,973.12/1,097,531.20
  6. Step 6: Final answer
    x = 1,049,304.05

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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.