Home / 1,229,540.97-1,696,888.52-918,904.04

Finding the Fourth Proportional to 1,229,540.97, 1,696,888.52 and 918,904.04

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Solution

The fourth proportional to 1,229,540.97, 1,696,888.52 and 918,904.04 is: 1,268,178.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,540.97 : 1,696,888.52 = 918,904.04 : x
  2. Step 2: Convert to fraction form
    1,229,540.97/1,696,888.52 = 918,904.04/x
  3. Step 3: Cross multiply
    1,229,540.97x = 1,696,888.52 × 918,904.04
  4. Step 4: Simplify right side
    1,229,540.97x = 1,559,277,720,148.46
  5. Step 5: Solve for x
    x = 1,559,277,720,148.46/1,229,540.97
  6. Step 6: Final answer
    x = 1,268,178.74

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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.