Home / 1,170,891.25-1,615,237.95-783,723.13

Finding the Fourth Proportional to 1,170,891.25, 1,615,237.95 and 783,723.13

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Solution

The fourth proportional to 1,170,891.25, 1,615,237.95 and 783,723.13 is: 1,081,141.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,891.25 : 1,615,237.95 = 783,723.13 : x
  2. Step 2: Convert to fraction form
    1,170,891.25/1,615,237.95 = 783,723.13/x
  3. Step 3: Cross multiply
    1,170,891.25x = 1,615,237.95 × 783,723.13
  4. Step 4: Simplify right side
    1,170,891.25x = 1,265,899,341,868.78
  5. Step 5: Solve for x
    x = 1,265,899,341,868.78/1,170,891.25
  6. Step 6: Final answer
    x = 1,081,141.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.