Home / 992,005.20-1,369,528.56-758,993.04

Finding the Fourth Proportional to 992,005.20, 1,369,528.56 and 758,993.04

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Solution

The fourth proportional to 992,005.20, 1,369,528.56 and 758,993.04 is: 1,047,839.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,005.20 : 1,369,528.56 = 758,993.04 : x
  2. Step 2: Convert to fraction form
    992,005.20/1,369,528.56 = 758,993.04/x
  3. Step 3: Cross multiply
    992,005.20x = 1,369,528.56 × 758,993.04
  4. Step 4: Simplify right side
    992,005.20x = 1,039,462,645,121.22
  5. Step 5: Solve for x
    x = 1,039,462,645,121.22/992,005.20
  6. Step 6: Final answer
    x = 1,047,839.92

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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.