Home / 1,170,266.40-1,755,399.60-719,525.70

Finding the Fourth Proportional to 1,170,266.40, 1,755,399.60 and 719,525.70

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Solution

The fourth proportional to 1,170,266.40, 1,755,399.60 and 719,525.70 is: 1,079,288.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,266.40 : 1,755,399.60 = 719,525.70 : x
  2. Step 2: Convert to fraction form
    1,170,266.40/1,755,399.60 = 719,525.70/x
  3. Step 3: Cross multiply
    1,170,266.40x = 1,755,399.60 × 719,525.70
  4. Step 4: Simplify right side
    1,170,266.40x = 1,263,055,125,969.72
  5. Step 5: Solve for x
    x = 1,263,055,125,969.72/1,170,266.40
  6. Step 6: Final answer
    x = 1,079,288.55

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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.