Home / 1,368,354.87-1,888,274.03-756,468.72

Finding the Fourth Proportional to 1,368,354.87, 1,888,274.03 and 756,468.72

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Solution

The fourth proportional to 1,368,354.87, 1,888,274.03 and 756,468.72 is: 1,043,896.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,354.87 : 1,888,274.03 = 756,468.72 : x
  2. Step 2: Convert to fraction form
    1,368,354.87/1,888,274.03 = 756,468.72/x
  3. Step 3: Cross multiply
    1,368,354.87x = 1,888,274.03 × 756,468.72
  4. Step 4: Simplify right side
    1,368,354.87x = 1,428,420,234,701.00
  5. Step 5: Solve for x
    x = 1,428,420,234,701.00/1,368,354.87
  6. Step 6: Final answer
    x = 1,043,896.04

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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.