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Finding the Fourth Proportional to 1,278,228.04, 1,764,593.84 and 794,948.90

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Solution

The fourth proportional to 1,278,228.04, 1,764,593.84 and 794,948.90 is: 1,097,426.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,228.04 : 1,764,593.84 = 794,948.90 : x
  2. Step 2: Convert to fraction form
    1,278,228.04/1,764,593.84 = 794,948.90/x
  3. Step 3: Cross multiply
    1,278,228.04x = 1,764,593.84 × 794,948.90
  4. Step 4: Simplify right side
    1,278,228.04x = 1,402,761,925,219.18
  5. Step 5: Solve for x
    x = 1,402,761,925,219.18/1,278,228.04
  6. Step 6: Final answer
    x = 1,097,426.97

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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.