Home / 1,136,842.91-1,568,788.12-646,766.29

Finding the Fourth Proportional to 1,136,842.91, 1,568,788.12 and 646,766.29

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Solution

The fourth proportional to 1,136,842.91, 1,568,788.12 and 646,766.29 is: 892,506.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,842.91 : 1,568,788.12 = 646,766.29 : x
  2. Step 2: Convert to fraction form
    1,136,842.91/1,568,788.12 = 646,766.29/x
  3. Step 3: Cross multiply
    1,136,842.91x = 1,568,788.12 × 646,766.29
  4. Step 4: Simplify right side
    1,136,842.91x = 1,014,639,266,113.48
  5. Step 5: Solve for x
    x = 1,014,639,266,113.48/1,136,842.91
  6. Step 6: Final answer
    x = 892,506.13

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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.