Home / 1,367,676.78-1,887,431.67-755,869.20

Finding the Fourth Proportional to 1,367,676.78, 1,887,431.67 and 755,869.20

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Solution

The fourth proportional to 1,367,676.78, 1,887,431.67 and 755,869.20 is: 1,043,120.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,676.78 : 1,887,431.67 = 755,869.20 : x
  2. Step 2: Convert to fraction form
    1,367,676.78/1,887,431.67 = 755,869.20/x
  3. Step 3: Cross multiply
    1,367,676.78x = 1,887,431.67 × 755,869.20
  4. Step 4: Simplify right side
    1,367,676.78x = 1,426,651,466,457.56
  5. Step 5: Solve for x
    x = 1,426,651,466,457.56/1,367,676.78
  6. Step 6: Final answer
    x = 1,043,120.34

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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.