Home / 1,136,457.54-1,568,348.09-646,414.45

Finding the Fourth Proportional to 1,136,457.54, 1,568,348.09 and 646,414.45

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Solution

The fourth proportional to 1,136,457.54, 1,568,348.09 and 646,414.45 is: 892,072.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,457.54 : 1,568,348.09 = 646,414.45 : x
  2. Step 2: Convert to fraction form
    1,136,457.54/1,568,348.09 = 646,414.45/x
  3. Step 3: Cross multiply
    1,136,457.54x = 1,568,348.09 × 646,414.45
  4. Step 4: Simplify right side
    1,136,457.54x = 1,013,802,864,773.83
  5. Step 5: Solve for x
    x = 1,013,802,864,773.83/1,136,457.54
  6. Step 6: Final answer
    x = 892,072.81

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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.