Home / 1,278,864.44-1,764,833.10-705,904.76

Finding the Fourth Proportional to 1,278,864.44, 1,764,833.10 and 705,904.76

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Solution

The fourth proportional to 1,278,864.44, 1,764,833.10 and 705,904.76 is: 974,148.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,864.44 : 1,764,833.10 = 705,904.76 : x
  2. Step 2: Convert to fraction form
    1,278,864.44/1,764,833.10 = 705,904.76/x
  3. Step 3: Cross multiply
    1,278,864.44x = 1,764,833.10 × 705,904.76
  4. Step 4: Simplify right side
    1,278,864.44x = 1,245,804,085,895.56
  5. Step 5: Solve for x
    x = 1,245,804,085,895.56/1,278,864.44
  6. Step 6: Final answer
    x = 974,148.66

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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.