Home / 1,352,240.55-1,866,034.19-740,382.21

Finding the Fourth Proportional to 1,352,240.55, 1,866,034.19 and 740,382.21

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Solution

The fourth proportional to 1,352,240.55, 1,866,034.19 and 740,382.21 is: 1,021,695.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,240.55 : 1,866,034.19 = 740,382.21 : x
  2. Step 2: Convert to fraction form
    1,352,240.55/1,866,034.19 = 740,382.21/x
  3. Step 3: Cross multiply
    1,352,240.55x = 1,866,034.19 × 740,382.21
  4. Step 4: Simplify right side
    1,352,240.55x = 1,381,578,513,825.85
  5. Step 5: Solve for x
    x = 1,381,578,513,825.85/1,352,240.55
  6. Step 6: Final answer
    x = 1,021,695.82

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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.