Home / 1,278,845.52-1,764,680.94-705,848.52

Finding the Fourth Proportional to 1,278,845.52, 1,764,680.94 and 705,848.52

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Solution

The fourth proportional to 1,278,845.52, 1,764,680.94 and 705,848.52 is: 974,001.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,845.52 : 1,764,680.94 = 705,848.52 : x
  2. Step 2: Convert to fraction form
    1,278,845.52/1,764,680.94 = 705,848.52/x
  3. Step 3: Cross multiply
    1,278,845.52x = 1,764,680.94 × 705,848.52
  4. Step 4: Simplify right side
    1,278,845.52x = 1,245,597,429,771.21
  5. Step 5: Solve for x
    x = 1,245,597,429,771.21/1,278,845.52
  6. Step 6: Final answer
    x = 974,001.48

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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.