Home / 1,278,272.30-1,764,052.42-705,349.38

Finding the Fourth Proportional to 1,278,272.30, 1,764,052.42 and 705,349.38

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Solution

The fourth proportional to 1,278,272.30, 1,764,052.42 and 705,349.38 is: 973,402.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,272.30 : 1,764,052.42 = 705,349.38 : x
  2. Step 2: Convert to fraction form
    1,278,272.30/1,764,052.42 = 705,349.38/x
  3. Step 3: Cross multiply
    1,278,272.30x = 1,764,052.42 × 705,349.38
  4. Step 4: Simplify right side
    1,278,272.30x = 1,244,273,280,734.50
  5. Step 5: Solve for x
    x = 1,244,273,280,734.50/1,278,272.30
  6. Step 6: Final answer
    x = 973,402.37

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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.