Home / 780,061.30-1,170,091.95-727,573.30

Finding the Fourth Proportional to 780,061.30, 1,170,091.95 and 727,573.30

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Solution

The fourth proportional to 780,061.30, 1,170,091.95 and 727,573.30 is: 1,091,359.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,061.30 : 1,170,091.95 = 727,573.30 : x
  2. Step 2: Convert to fraction form
    780,061.30/1,170,091.95 = 727,573.30/x
  3. Step 3: Cross multiply
    780,061.30x = 1,170,091.95 × 727,573.30
  4. Step 4: Simplify right side
    780,061.30x = 851,327,661,364.94
  5. Step 5: Solve for x
    x = 851,327,661,364.94/780,061.30
  6. Step 6: Final answer
    x = 1,091,359.95

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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.