Home / 1,256,745.30-1,734,436.98-740,659.74

Finding the Fourth Proportional to 1,256,745.30, 1,734,436.98 and 740,659.74

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Solution

The fourth proportional to 1,256,745.30, 1,734,436.98 and 740,659.74 is: 1,022,186.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,745.30 : 1,734,436.98 = 740,659.74 : x
  2. Step 2: Convert to fraction form
    1,256,745.30/1,734,436.98 = 740,659.74/x
  3. Step 3: Cross multiply
    1,256,745.30x = 1,734,436.98 × 740,659.74
  4. Step 4: Simplify right side
    1,256,745.30x = 1,284,627,642,653.19
  5. Step 5: Solve for x
    x = 1,284,627,642,653.19/1,256,745.30
  6. Step 6: Final answer
    x = 1,022,186.15

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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.