Home / 1,242,825.92-1,860,229.28-642,961.04

Finding the Fourth Proportional to 1,242,825.92, 1,860,229.28 and 642,961.04

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Solution

The fourth proportional to 1,242,825.92, 1,860,229.28 and 642,961.04 is: 962,367.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,825.92 : 1,860,229.28 = 642,961.04 : x
  2. Step 2: Convert to fraction form
    1,242,825.92/1,860,229.28 = 642,961.04/x
  3. Step 3: Cross multiply
    1,242,825.92x = 1,860,229.28 × 642,961.04
  4. Step 4: Simplify right side
    1,242,825.92x = 1,196,054,952,507.25
  5. Step 5: Solve for x
    x = 1,196,054,952,507.25/1,242,825.92
  6. Step 6: Final answer
    x = 962,367.24

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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.