Home / 1,179,157.80-1,627,295.44-663,074.18

Finding the Fourth Proportional to 1,179,157.80, 1,627,295.44 and 663,074.18

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Solution

The fourth proportional to 1,179,157.80, 1,627,295.44 and 663,074.18 is: 915,074.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,157.80 : 1,627,295.44 = 663,074.18 : x
  2. Step 2: Convert to fraction form
    1,179,157.80/1,627,295.44 = 663,074.18/x
  3. Step 3: Cross multiply
    1,179,157.80x = 1,627,295.44 × 663,074.18
  4. Step 4: Simplify right side
    1,179,157.80x = 1,079,017,584,335.33
  5. Step 5: Solve for x
    x = 1,079,017,584,335.33/1,179,157.80
  6. Step 6: Final answer
    x = 915,074.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.