Home / 1,275,199.62-1,759,641.53-723,739.88

Finding the Fourth Proportional to 1,275,199.62, 1,759,641.53 and 723,739.88

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Solution

The fourth proportional to 1,275,199.62, 1,759,641.53 and 723,739.88 is: 998,685.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,199.62 : 1,759,641.53 = 723,739.88 : x
  2. Step 2: Convert to fraction form
    1,275,199.62/1,759,641.53 = 723,739.88/x
  3. Step 3: Cross multiply
    1,275,199.62x = 1,759,641.53 × 723,739.88
  4. Step 4: Simplify right side
    1,275,199.62x = 1,273,522,737,348.31
  5. Step 5: Solve for x
    x = 1,273,522,737,348.31/1,275,199.62
  6. Step 6: Final answer
    x = 998,685.00

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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.