Home / 1,561,209.79-2,340,219.57-885,864.46

Finding the Fourth Proportional to 1,561,209.79, 2,340,219.57 and 885,864.46

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Solution

The fourth proportional to 1,561,209.79, 2,340,219.57 and 885,864.46 is: 1,327,891.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,209.79 : 2,340,219.57 = 885,864.46 : x
  2. Step 2: Convert to fraction form
    1,561,209.79/2,340,219.57 = 885,864.46/x
  3. Step 3: Cross multiply
    1,561,209.79x = 2,340,219.57 × 885,864.46
  4. Step 4: Simplify right side
    1,561,209.79x = 2,073,117,345,659.48
  5. Step 5: Solve for x
    x = 2,073,117,345,659.48/1,561,209.79
  6. Step 6: Final answer
    x = 1,327,891.59

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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.