Home / 1,367,990.40-1,887,814.44-756,181.20

Finding the Fourth Proportional to 1,367,990.40, 1,887,814.44 and 756,181.20

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Solution

The fourth proportional to 1,367,990.40, 1,887,814.44 and 756,181.20 is: 1,043,523.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,990.40 : 1,887,814.44 = 756,181.20 : x
  2. Step 2: Convert to fraction form
    1,367,990.40/1,887,814.44 = 756,181.20/x
  3. Step 3: Cross multiply
    1,367,990.40x = 1,887,814.44 × 756,181.20
  4. Step 4: Simplify right side
    1,367,990.40x = 1,427,529,788,616.53
  5. Step 5: Solve for x
    x = 1,427,529,788,616.53/1,367,990.40
  6. Step 6: Final answer
    x = 1,043,523.25

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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.