Home / 1,721,618.72-2,375,853.80-986,558.46

Finding the Fourth Proportional to 1,721,618.72, 2,375,853.80 and 986,558.46

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Solution

The fourth proportional to 1,721,618.72, 2,375,853.80 and 986,558.46 is: 1,361,462.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,618.72 : 2,375,853.80 = 986,558.46 : x
  2. Step 2: Convert to fraction form
    1,721,618.72/2,375,853.80 = 986,558.46/x
  3. Step 3: Cross multiply
    1,721,618.72x = 2,375,853.80 × 986,558.46
  4. Step 4: Simplify right side
    1,721,618.72x = 2,343,918,661,180.36
  5. Step 5: Solve for x
    x = 2,343,918,661,180.36/1,721,618.72
  6. Step 6: Final answer
    x = 1,361,462.12

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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.