Home / 1,215,256.97-1,677,088.47-671,427.83

Finding the Fourth Proportional to 1,215,256.97, 1,677,088.47 and 671,427.83

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Solution

The fourth proportional to 1,215,256.97, 1,677,088.47 and 671,427.83 is: 926,589.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,256.97 : 1,677,088.47 = 671,427.83 : x
  2. Step 2: Convert to fraction form
    1,215,256.97/1,677,088.47 = 671,427.83/x
  3. Step 3: Cross multiply
    1,215,256.97x = 1,677,088.47 × 671,427.83
  4. Step 4: Simplify right side
    1,215,256.97x = 1,126,043,866,262.53
  5. Step 5: Solve for x
    x = 1,126,043,866,262.53/1,215,256.97
  6. Step 6: Final answer
    x = 926,589.11

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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.