Home / 1,247,962.85-1,722,187.47-675,001.65

Finding the Fourth Proportional to 1,247,962.85, 1,722,187.47 and 675,001.65

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Solution

The fourth proportional to 1,247,962.85, 1,722,187.47 and 675,001.65 is: 931,501.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,962.85 : 1,722,187.47 = 675,001.65 : x
  2. Step 2: Convert to fraction form
    1,247,962.85/1,722,187.47 = 675,001.65/x
  3. Step 3: Cross multiply
    1,247,962.85x = 1,722,187.47 × 675,001.65
  4. Step 4: Simplify right side
    1,247,962.85x = 1,162,479,392,848.78
  5. Step 5: Solve for x
    x = 1,162,479,392,848.78/1,247,962.85
  6. Step 6: Final answer
    x = 931,501.60

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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.