Home / 1,190,248.68-1,784,597.04-431,947.20

Finding the Fourth Proportional to 1,190,248.68, 1,784,597.04 and 431,947.20

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Solution

The fourth proportional to 1,190,248.68, 1,784,597.04 and 431,947.20 is: 647,639.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,248.68 : 1,784,597.04 = 431,947.20 : x
  2. Step 2: Convert to fraction form
    1,190,248.68/1,784,597.04 = 431,947.20/x
  3. Step 3: Cross multiply
    1,190,248.68x = 1,784,597.04 × 431,947.20
  4. Step 4: Simplify right side
    1,190,248.68x = 770,851,694,556.29
  5. Step 5: Solve for x
    x = 770,851,694,556.29/1,190,248.68
  6. Step 6: Final answer
    x = 647,639.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.