Home / 1,348,537.92-1,861,039.02-775,578.66

Finding the Fourth Proportional to 1,348,537.92, 1,861,039.02 and 775,578.66

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Solution

The fourth proportional to 1,348,537.92, 1,861,039.02 and 775,578.66 is: 1,070,331.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,537.92 : 1,861,039.02 = 775,578.66 : x
  2. Step 2: Convert to fraction form
    1,348,537.92/1,861,039.02 = 775,578.66/x
  3. Step 3: Cross multiply
    1,348,537.92x = 1,861,039.02 × 775,578.66
  4. Step 4: Simplify right side
    1,348,537.92x = 1,443,382,149,339.31
  5. Step 5: Solve for x
    x = 1,443,382,149,339.31/1,348,537.92
  6. Step 6: Final answer
    x = 1,070,331.15

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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.