Home / 1,610,643.80-2,416,257.30-809,910.20

Finding the Fourth Proportional to 1,610,643.80, 2,416,257.30 and 809,910.20

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Solution

The fourth proportional to 1,610,643.80, 2,416,257.30 and 809,910.20 is: 1,215,011.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610,643.80 : 2,416,257.30 = 809,910.20 : x
  2. Step 2: Convert to fraction form
    1,610,643.80/2,416,257.30 = 809,910.20/x
  3. Step 3: Cross multiply
    1,610,643.80x = 2,416,257.30 × 809,910.20
  4. Step 4: Simplify right side
    1,610,643.80x = 1,956,951,433,094.46
  5. Step 5: Solve for x
    x = 1,956,951,433,094.46/1,610,643.80
  6. Step 6: Final answer
    x = 1,215,011.93

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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.