Home / 880,139.40-1,321,764.30-680,944.20

Finding the Fourth Proportional to 880,139.40, 1,321,764.30 and 680,944.20

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Solution

The fourth proportional to 880,139.40, 1,321,764.30 and 680,944.20 is: 1,022,619.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,139.40 : 1,321,764.30 = 680,944.20 : x
  2. Step 2: Convert to fraction form
    880,139.40/1,321,764.30 = 680,944.20/x
  3. Step 3: Cross multiply
    880,139.40x = 1,321,764.30 × 680,944.20
  4. Step 4: Simplify right side
    880,139.40x = 900,047,733,852.06
  5. Step 5: Solve for x
    x = 900,047,733,852.06/880,139.40
  6. Step 6: Final answer
    x = 1,022,619.52

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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.