Home / 1,361,142.02-1,878,375.97-757,672.58

Finding the Fourth Proportional to 1,361,142.02, 1,878,375.97 and 757,672.58

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Solution

The fourth proportional to 1,361,142.02, 1,878,375.97 and 757,672.58 is: 1,045,588.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,142.02 : 1,878,375.97 = 757,672.58 : x
  2. Step 2: Convert to fraction form
    1,361,142.02/1,878,375.97 = 757,672.58/x
  3. Step 3: Cross multiply
    1,361,142.02x = 1,878,375.97 × 757,672.58
  4. Step 4: Simplify right side
    1,361,142.02x = 1,423,193,967,399.90
  5. Step 5: Solve for x
    x = 1,423,193,967,399.90/1,361,142.02
  6. Step 6: Final answer
    x = 1,045,588.15

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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.