Home / 1,498,498.70-2,247,748.05-858,145.10

Finding the Fourth Proportional to 1,498,498.70, 2,247,748.05 and 858,145.10

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Solution

The fourth proportional to 1,498,498.70, 2,247,748.05 and 858,145.10 is: 1,287,217.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498,498.70 : 2,247,748.05 = 858,145.10 : x
  2. Step 2: Convert to fraction form
    1,498,498.70/2,247,748.05 = 858,145.10/x
  3. Step 3: Cross multiply
    1,498,498.70x = 2,247,748.05 × 858,145.10
  4. Step 4: Simplify right side
    1,498,498.70x = 1,928,893,975,142.05
  5. Step 5: Solve for x
    x = 1,928,893,975,142.05/1,498,498.70
  6. Step 6: Final answer
    x = 1,287,217.65

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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.