Home / 1,204,012.24-1,661,568.60-680,681.20

Finding the Fourth Proportional to 1,204,012.24, 1,661,568.60 and 680,681.20

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Solution

The fourth proportional to 1,204,012.24, 1,661,568.60 and 680,681.20 is: 939,357.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,012.24 : 1,661,568.60 = 680,681.20 : x
  2. Step 2: Convert to fraction form
    1,204,012.24/1,661,568.60 = 680,681.20/x
  3. Step 3: Cross multiply
    1,204,012.24x = 1,661,568.60 × 680,681.20
  4. Step 4: Simplify right side
    1,204,012.24x = 1,130,998,508,530.32
  5. Step 5: Solve for x
    x = 1,130,998,508,530.32/1,204,012.24
  6. Step 6: Final answer
    x = 939,357.98

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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.