Home / 1,268,616.17-1,748,996.70-1,007,836.75

Finding the Fourth Proportional to 1,268,616.17, 1,748,996.70 and 1,007,836.75

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Solution

The fourth proportional to 1,268,616.17, 1,748,996.70 and 1,007,836.75 is: 1,389,469.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,616.17 : 1,748,996.70 = 1,007,836.75 : x
  2. Step 2: Convert to fraction form
    1,268,616.17/1,748,996.70 = 1,007,836.75/x
  3. Step 3: Cross multiply
    1,268,616.17x = 1,748,996.70 × 1,007,836.75
  4. Step 4: Simplify right side
    1,268,616.17x = 1,762,703,141,438.20
  5. Step 5: Solve for x
    x = 1,762,703,141,438.20/1,268,616.17
  6. Step 6: Final answer
    x = 1,389,469.24

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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.