Home / 1,260,896.49-1,739,965.86-717,164.55

Finding the Fourth Proportional to 1,260,896.49, 1,739,965.86 and 717,164.55

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Solution

The fourth proportional to 1,260,896.49, 1,739,965.86 and 717,164.55 is: 989,646.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,896.49 : 1,739,965.86 = 717,164.55 : x
  2. Step 2: Convert to fraction form
    1,260,896.49/1,739,965.86 = 717,164.55/x
  3. Step 3: Cross multiply
    1,260,896.49x = 1,739,965.86 × 717,164.55
  4. Step 4: Simplify right side
    1,260,896.49x = 1,247,841,833,002.26
  5. Step 5: Solve for x
    x = 1,247,841,833,002.26/1,260,896.49
  6. Step 6: Final answer
    x = 989,646.53

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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.