Home / 1,215,339.26-1,677,185.73-671,487.57

Finding the Fourth Proportional to 1,215,339.26, 1,677,185.73 and 671,487.57

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Solution

The fourth proportional to 1,215,339.26, 1,677,185.73 and 671,487.57 is: 926,662.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,339.26 : 1,677,185.73 = 671,487.57 : x
  2. Step 2: Convert to fraction form
    1,215,339.26/1,677,185.73 = 671,487.57/x
  3. Step 3: Cross multiply
    1,215,339.26x = 1,677,185.73 × 671,487.57
  4. Step 4: Simplify right side
    1,215,339.26x = 1,126,209,370,276.38
  5. Step 5: Solve for x
    x = 1,126,209,370,276.38/1,215,339.26
  6. Step 6: Final answer
    x = 926,662.55

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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.