Home / 1,253,674.75-1,730,071.16-717,130.75

Finding the Fourth Proportional to 1,253,674.75, 1,730,071.16 and 717,130.75

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Solution

The fourth proportional to 1,253,674.75, 1,730,071.16 and 717,130.75 is: 989,640.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,674.75 : 1,730,071.16 = 717,130.75 : x
  2. Step 2: Convert to fraction form
    1,253,674.75/1,730,071.16 = 717,130.75/x
  3. Step 3: Cross multiply
    1,253,674.75x = 1,730,071.16 × 717,130.75
  4. Step 4: Simplify right side
    1,253,674.75x = 1,240,687,228,524.17
  5. Step 5: Solve for x
    x = 1,240,687,228,524.17/1,253,674.75
  6. Step 6: Final answer
    x = 989,640.44

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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.