Home / 1,179,086.40-1,766,815.20-878,155.20

Finding the Fourth Proportional to 1,179,086.40, 1,766,815.20 and 878,155.20

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Solution

The fourth proportional to 1,179,086.40, 1,766,815.20 and 878,155.20 is: 1,315,881.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,086.40 : 1,766,815.20 = 878,155.20 : x
  2. Step 2: Convert to fraction form
    1,179,086.40/1,766,815.20 = 878,155.20/x
  3. Step 3: Cross multiply
    1,179,086.40x = 1,766,815.20 × 878,155.20
  4. Step 4: Simplify right side
    1,179,086.40x = 1,551,537,955,319.04
  5. Step 5: Solve for x
    x = 1,551,537,955,319.04/1,179,086.40
  6. Step 6: Final answer
    x = 1,315,881.48

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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.