Home / 1,560,589.90-2,340,301.65-1,085,865.10

Finding the Fourth Proportional to 1,560,589.90, 2,340,301.65 and 1,085,865.10

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Solution

The fourth proportional to 1,560,589.90, 2,340,301.65 and 1,085,865.10 is: 1,628,391.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,589.90 : 2,340,301.65 = 1,085,865.10 : x
  2. Step 2: Convert to fraction form
    1,560,589.90/2,340,301.65 = 1,085,865.10/x
  3. Step 3: Cross multiply
    1,560,589.90x = 2,340,301.65 × 1,085,865.10
  4. Step 4: Simplify right side
    1,560,589.90x = 2,541,251,885,207.42
  5. Step 5: Solve for x
    x = 2,541,251,885,207.42/1,560,589.90
  6. Step 6: Final answer
    x = 1,628,391.86

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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.