Home / 1,230,072.68-1,843,498.85-660,788.38

Finding the Fourth Proportional to 1,230,072.68, 1,843,498.85 and 660,788.38

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Solution

The fourth proportional to 1,230,072.68, 1,843,498.85 and 660,788.38 is: 990,317.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,072.68 : 1,843,498.85 = 660,788.38 : x
  2. Step 2: Convert to fraction form
    1,230,072.68/1,843,498.85 = 660,788.38/x
  3. Step 3: Cross multiply
    1,230,072.68x = 1,843,498.85 × 660,788.38
  4. Step 4: Simplify right side
    1,230,072.68x = 1,218,162,617,623.79
  5. Step 5: Solve for x
    x = 1,218,162,617,623.79/1,230,072.68
  6. Step 6: Final answer
    x = 990,317.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.