Home / 1,188,748-1,639,239.16-1,017,233.72

Finding the Fourth Proportional to 1,188,748, 1,639,239.16 and 1,017,233.72

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Solution

The fourth proportional to 1,188,748, 1,639,239.16 and 1,017,233.72 is: 1,402,727.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,748 : 1,639,239.16 = 1,017,233.72 : x
  2. Step 2: Convert to fraction form
    1,188,748/1,639,239.16 = 1,017,233.72/x
  3. Step 3: Cross multiply
    1,188,748x = 1,639,239.16 × 1,017,233.72
  4. Step 4: Simplify right side
    1,188,748x = 1,667,489,348,696.48
  5. Step 5: Solve for x
    x = 1,667,489,348,696.48/1,188,748
  6. Step 6: Final answer
    x = 1,402,727.36

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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.