Home / 1,942,574.20-2,912,478.90-744,033.40

Finding the Fourth Proportional to 1,942,574.20, 2,912,478.90 and 744,033.40

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Solution

The fourth proportional to 1,942,574.20, 2,912,478.90 and 744,033.40 is: 1,115,520.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,574.20 : 2,912,478.90 = 744,033.40 : x
  2. Step 2: Convert to fraction form
    1,942,574.20/2,912,478.90 = 744,033.40/x
  3. Step 3: Cross multiply
    1,942,574.20x = 2,912,478.90 × 744,033.40
  4. Step 4: Simplify right side
    1,942,574.20x = 2,166,981,578,395.26
  5. Step 5: Solve for x
    x = 2,166,981,578,395.26/1,942,574.20
  6. Step 6: Final answer
    x = 1,115,520.62

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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.