Home / 1,278,269.55-1,764,048.61-705,346.63

Finding the Fourth Proportional to 1,278,269.55, 1,764,048.61 and 705,346.63

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Solution

The fourth proportional to 1,278,269.55, 1,764,048.61 and 705,346.63 is: 973,398.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,269.55 : 1,764,048.61 = 705,346.63 : x
  2. Step 2: Convert to fraction form
    1,278,269.55/1,764,048.61 = 705,346.63/x
  3. Step 3: Cross multiply
    1,278,269.55x = 1,764,048.61 × 705,346.63
  4. Step 4: Simplify right side
    1,278,269.55x = 1,244,265,738,691.25
  5. Step 5: Solve for x
    x = 1,244,265,738,691.25/1,278,269.55
  6. Step 6: Final answer
    x = 973,398.56

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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.