Home / 780,110.55-1,170,165.83-736,564.95

Finding the Fourth Proportional to 780,110.55, 1,170,165.83 and 736,564.95

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Solution

The fourth proportional to 780,110.55, 1,170,165.83 and 736,564.95 is: 1,104,847.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,110.55 : 1,170,165.83 = 736,564.95 : x
  2. Step 2: Convert to fraction form
    780,110.55/1,170,165.83 = 736,564.95/x
  3. Step 3: Cross multiply
    780,110.55x = 1,170,165.83 × 736,564.95
  4. Step 4: Simplify right side
    780,110.55x = 861,903,132,382.83
  5. Step 5: Solve for x
    x = 861,903,132,382.83/780,110.55
  6. Step 6: Final answer
    x = 1,104,847.43

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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.