Home / 1,170,182.40-1,755,273.60-719,441.70

Finding the Fourth Proportional to 1,170,182.40, 1,755,273.60 and 719,441.70

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Solution

The fourth proportional to 1,170,182.40, 1,755,273.60 and 719,441.70 is: 1,079,162.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,182.40 : 1,755,273.60 = 719,441.70 : x
  2. Step 2: Convert to fraction form
    1,170,182.40/1,755,273.60 = 719,441.70/x
  3. Step 3: Cross multiply
    1,170,182.40x = 1,755,273.60 × 719,441.70
  4. Step 4: Simplify right side
    1,170,182.40x = 1,262,817,022,749.12
  5. Step 5: Solve for x
    x = 1,262,817,022,749.12/1,170,182.40
  6. Step 6: Final answer
    x = 1,079,162.55

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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.