Home / 1,080,016.20-1,620,024.30-870,064.20

Finding the Fourth Proportional to 1,080,016.20, 1,620,024.30 and 870,064.20

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Solution

The fourth proportional to 1,080,016.20, 1,620,024.30 and 870,064.20 is: 1,305,096.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,016.20 : 1,620,024.30 = 870,064.20 : x
  2. Step 2: Convert to fraction form
    1,080,016.20/1,620,024.30 = 870,064.20/x
  3. Step 3: Cross multiply
    1,080,016.20x = 1,620,024.30 × 870,064.20
  4. Step 4: Simplify right side
    1,080,016.20x = 1,409,525,146,560.06
  5. Step 5: Solve for x
    x = 1,409,525,146,560.06/1,080,016.20
  6. Step 6: Final answer
    x = 1,305,096.30

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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.