Home / 1,675,510.71-2,312,179.34-911,546.79

Finding the Fourth Proportional to 1,675,510.71, 2,312,179.34 and 911,546.79

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Solution

The fourth proportional to 1,675,510.71, 2,312,179.34 and 911,546.79 is: 1,257,920.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675,510.71 : 2,312,179.34 = 911,546.79 : x
  2. Step 2: Convert to fraction form
    1,675,510.71/2,312,179.34 = 911,546.79/x
  3. Step 3: Cross multiply
    1,675,510.71x = 2,312,179.34 × 911,546.79
  4. Step 4: Simplify right side
    1,675,510.71x = 2,107,659,650,723.58
  5. Step 5: Solve for x
    x = 2,107,659,650,723.58/1,675,510.71
  6. Step 6: Final answer
    x = 1,257,920.73

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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.