Home / 1,213,979.52-1,675,292.06-670,115.66

Finding the Fourth Proportional to 1,213,979.52, 1,675,292.06 and 670,115.66

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Solution

The fourth proportional to 1,213,979.52, 1,675,292.06 and 670,115.66 is: 924,759.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,979.52 : 1,675,292.06 = 670,115.66 : x
  2. Step 2: Convert to fraction form
    1,213,979.52/1,675,292.06 = 670,115.66/x
  3. Step 3: Cross multiply
    1,213,979.52x = 1,675,292.06 × 670,115.66
  4. Step 4: Simplify right side
    1,213,979.52x = 1,122,639,444,479.66
  5. Step 5: Solve for x
    x = 1,122,639,444,479.66/1,213,979.52
  6. Step 6: Final answer
    x = 924,759.79

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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.