Home / 1,326,591.22-1,989,868.30-756,756.22

Finding the Fourth Proportional to 1,326,591.22, 1,989,868.30 and 756,756.22

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Solution

The fourth proportional to 1,326,591.22, 1,989,868.30 and 756,756.22 is: 1,135,123.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,591.22 : 1,989,868.30 = 756,756.22 : x
  2. Step 2: Convert to fraction form
    1,326,591.22/1,989,868.30 = 756,756.22/x
  3. Step 3: Cross multiply
    1,326,591.22x = 1,989,868.30 × 756,756.22
  4. Step 4: Simplify right side
    1,326,591.22x = 1,505,845,213,005.83
  5. Step 5: Solve for x
    x = 1,505,845,213,005.83/1,326,591.22
  6. Step 6: Final answer
    x = 1,135,123.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.