Home / 1,278,938.88-1,764,925.92-705,979.44

Finding the Fourth Proportional to 1,278,938.88, 1,764,925.92 and 705,979.44

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Solution

The fourth proportional to 1,278,938.88, 1,764,925.92 and 705,979.44 is: 974,246.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,938.88 : 1,764,925.92 = 705,979.44 : x
  2. Step 2: Convert to fraction form
    1,278,938.88/1,764,925.92 = 705,979.44/x
  3. Step 3: Cross multiply
    1,278,938.88x = 1,764,925.92 × 705,979.44
  4. Step 4: Simplify right side
    1,278,938.88x = 1,246,001,412,643.08
  5. Step 5: Solve for x
    x = 1,246,001,412,643.08/1,278,938.88
  6. Step 6: Final answer
    x = 974,246.25

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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.