Home / 1,215,273.90-1,677,095.57-671,422.23

Finding the Fourth Proportional to 1,215,273.90, 1,677,095.57 and 671,422.23

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Solution

The fourth proportional to 1,215,273.90, 1,677,095.57 and 671,422.23 is: 926,572.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,273.90 : 1,677,095.57 = 671,422.23 : x
  2. Step 2: Convert to fraction form
    1,215,273.90/1,677,095.57 = 671,422.23/x
  3. Step 3: Cross multiply
    1,215,273.90x = 1,677,095.57 × 671,422.23
  4. Step 4: Simplify right side
    1,215,273.90x = 1,126,039,244,175.41
  5. Step 5: Solve for x
    x = 1,126,039,244,175.41/1,215,273.90
  6. Step 6: Final answer
    x = 926,572.39

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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.