Home / 1,378,591.79-2,067,614.59-1,310,235.89

Finding the Fourth Proportional to 1,378,591.79, 2,067,614.59 and 1,310,235.89

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Solution

The fourth proportional to 1,378,591.79, 2,067,614.59 and 1,310,235.89 is: 1,965,094.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,591.79 : 2,067,614.59 = 1,310,235.89 : x
  2. Step 2: Convert to fraction form
    1,378,591.79/2,067,614.59 = 1,310,235.89/x
  3. Step 3: Cross multiply
    1,378,591.79x = 2,067,614.59 × 1,310,235.89
  4. Step 4: Simplify right side
    1,378,591.79x = 2,709,062,842,505.63
  5. Step 5: Solve for x
    x = 2,709,062,842,505.63/1,378,591.79
  6. Step 6: Final answer
    x = 1,965,094.28

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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.