Home / 1,251,485.61-1,727,002.17-707,632.78

Finding the Fourth Proportional to 1,251,485.61, 1,727,002.17 and 707,632.78

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Solution

The fourth proportional to 1,251,485.61, 1,727,002.17 and 707,632.78 is: 976,506.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,485.61 : 1,727,002.17 = 707,632.78 : x
  2. Step 2: Convert to fraction form
    1,251,485.61/1,727,002.17 = 707,632.78/x
  3. Step 3: Cross multiply
    1,251,485.61x = 1,727,002.17 × 707,632.78
  4. Step 4: Simplify right side
    1,251,485.61x = 1,222,083,342,305.63
  5. Step 5: Solve for x
    x = 1,222,083,342,305.63/1,251,485.61
  6. Step 6: Final answer
    x = 976,506.11

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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.