Home / 1,215,414.45-1,677,305.79-671,585.45

Finding the Fourth Proportional to 1,215,414.45, 1,677,305.79 and 671,585.45

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Solution

The fourth proportional to 1,215,414.45, 1,677,305.79 and 671,585.45 is: 926,806.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,414.45 : 1,677,305.79 = 671,585.45 : x
  2. Step 2: Convert to fraction form
    1,215,414.45/1,677,305.79 = 671,585.45/x
  3. Step 3: Cross multiply
    1,215,414.45x = 1,677,305.79 × 671,585.45
  4. Step 4: Simplify right side
    1,215,414.45x = 1,126,454,155,378.23
  5. Step 5: Solve for x
    x = 1,126,454,155,378.23/1,215,414.45
  6. Step 6: Final answer
    x = 926,806.62

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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.