Home / 1,108,753.20-1,663,129.80-710,172.45

Finding the Fourth Proportional to 1,108,753.20, 1,663,129.80 and 710,172.45

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Solution

The fourth proportional to 1,108,753.20, 1,663,129.80 and 710,172.45 is: 1,065,258.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,753.20 : 1,663,129.80 = 710,172.45 : x
  2. Step 2: Convert to fraction form
    1,108,753.20/1,663,129.80 = 710,172.45/x
  3. Step 3: Cross multiply
    1,108,753.20x = 1,663,129.80 × 710,172.45
  4. Step 4: Simplify right side
    1,108,753.20x = 1,181,108,964,734.01
  5. Step 5: Solve for x
    x = 1,181,108,964,734.01/1,108,753.20
  6. Step 6: Final answer
    x = 1,065,258.68

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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.