Home / 1,942,580.70-2,912,488.65-744,039.90

Finding the Fourth Proportional to 1,942,580.70, 2,912,488.65 and 744,039.90

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Solution

The fourth proportional to 1,942,580.70, 2,912,488.65 and 744,039.90 is: 1,115,530.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,580.70 : 2,912,488.65 = 744,039.90 : x
  2. Step 2: Convert to fraction form
    1,942,580.70/2,912,488.65 = 744,039.90/x
  3. Step 3: Cross multiply
    1,942,580.70x = 2,912,488.65 × 744,039.90
  4. Step 4: Simplify right side
    1,942,580.70x = 2,167,007,763,897.14
  5. Step 5: Solve for x
    x = 2,167,007,763,897.14/1,942,580.70
  6. Step 6: Final answer
    x = 1,115,530.37

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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.