Home / 1,204,030.83-1,661,637.20-667,486.83

Finding the Fourth Proportional to 1,204,030.83, 1,661,637.20 and 667,486.83

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Solution

The fourth proportional to 1,204,030.83, 1,661,637.20 and 667,486.83 is: 921,173.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,030.83 : 1,661,637.20 = 667,486.83 : x
  2. Step 2: Convert to fraction form
    1,204,030.83/1,661,637.20 = 667,486.83/x
  3. Step 3: Cross multiply
    1,204,030.83x = 1,661,637.20 × 667,486.83
  4. Step 4: Simplify right side
    1,204,030.83x = 1,109,120,943,900.64
  5. Step 5: Solve for x
    x = 1,109,120,943,900.64/1,204,030.83
  6. Step 6: Final answer
    x = 921,173.21

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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.