Home / 1,367,709.12-1,887,380.46-755,884.80

Finding the Fourth Proportional to 1,367,709.12, 1,887,380.46 and 755,884.80

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Solution

The fourth proportional to 1,367,709.12, 1,887,380.46 and 755,884.80 is: 1,043,088.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,709.12 : 1,887,380.46 = 755,884.80 : x
  2. Step 2: Convert to fraction form
    1,367,709.12/1,887,380.46 = 755,884.80/x
  3. Step 3: Cross multiply
    1,367,709.12x = 1,887,380.46 × 755,884.80
  4. Step 4: Simplify right side
    1,367,709.12x = 1,426,642,201,531.01
  5. Step 5: Solve for x
    x = 1,426,642,201,531.01/1,367,709.12
  6. Step 6: Final answer
    x = 1,043,088.90

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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.