Home / 1,278,941.76-1,764,939.96-705,982.32

Finding the Fourth Proportional to 1,278,941.76, 1,764,939.96 and 705,982.32

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Solution

The fourth proportional to 1,278,941.76, 1,764,939.96 and 705,982.32 is: 974,255.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,941.76 : 1,764,939.96 = 705,982.32 : x
  2. Step 2: Convert to fraction form
    1,278,941.76/1,764,939.96 = 705,982.32/x
  3. Step 3: Cross multiply
    1,278,941.76x = 1,764,939.96 × 705,982.32
  4. Step 4: Simplify right side
    1,278,941.76x = 1,246,016,407,621.51
  5. Step 5: Solve for x
    x = 1,246,016,407,621.51/1,278,941.76
  6. Step 6: Final answer
    x = 974,255.78

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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.