Home / 1,386,293.82-2,079,499.05-676,947.66

Finding the Fourth Proportional to 1,386,293.82, 2,079,499.05 and 676,947.66

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Solution

The fourth proportional to 1,386,293.82, 2,079,499.05 and 676,947.66 is: 1,015,449.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,293.82 : 2,079,499.05 = 676,947.66 : x
  2. Step 2: Convert to fraction form
    1,386,293.82/2,079,499.05 = 676,947.66/x
  3. Step 3: Cross multiply
    1,386,293.82x = 2,079,499.05 × 676,947.66
  4. Step 4: Simplify right side
    1,386,293.82x = 1,407,712,015,869.72
  5. Step 5: Solve for x
    x = 1,407,712,015,869.72/1,386,293.82
  6. Step 6: Final answer
    x = 1,015,449.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.