Home / 1,215,365.13-1,677,237.70-671,535.95

Finding the Fourth Proportional to 1,215,365.13, 1,677,237.70 and 671,535.95

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Solution

The fourth proportional to 1,215,365.13, 1,677,237.70 and 671,535.95 is: 926,738.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,365.13 : 1,677,237.70 = 671,535.95 : x
  2. Step 2: Convert to fraction form
    1,215,365.13/1,677,237.70 = 671,535.95/x
  3. Step 3: Cross multiply
    1,215,365.13x = 1,677,237.70 × 671,535.95
  4. Step 4: Simplify right side
    1,215,365.13x = 1,126,325,414,759.57
  5. Step 5: Solve for x
    x = 1,126,325,414,759.57/1,215,365.13
  6. Step 6: Final answer
    x = 926,738.30

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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.