Home / 1,480,840.39-2,219,581.38-680,468.10

Finding the Fourth Proportional to 1,480,840.39, 2,219,581.38 and 680,468.10

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Solution

The fourth proportional to 1,480,840.39, 2,219,581.38 and 680,468.10 is: 1,019,930.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,840.39 : 2,219,581.38 = 680,468.10 : x
  2. Step 2: Convert to fraction form
    1,480,840.39/2,219,581.38 = 680,468.10/x
  3. Step 3: Cross multiply
    1,480,840.39x = 2,219,581.38 × 680,468.10
  4. Step 4: Simplify right side
    1,480,840.39x = 1,510,354,324,443.98
  5. Step 5: Solve for x
    x = 1,510,354,324,443.98/1,480,840.39
  6. Step 6: Final answer
    x = 1,019,930.53

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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.