Home / 1,659,711.66-2,290,431.51-980,646.54

Finding the Fourth Proportional to 1,659,711.66, 2,290,431.51 and 980,646.54

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Solution

The fourth proportional to 1,659,711.66, 2,290,431.51 and 980,646.54 is: 1,353,309.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,659,711.66 : 2,290,431.51 = 980,646.54 : x
  2. Step 2: Convert to fraction form
    1,659,711.66/2,290,431.51 = 980,646.54/x
  3. Step 3: Cross multiply
    1,659,711.66x = 2,290,431.51 × 980,646.54
  4. Step 4: Simplify right side
    1,659,711.66x = 2,246,103,735,388.48
  5. Step 5: Solve for x
    x = 2,246,103,735,388.48/1,659,711.66
  6. Step 6: Final answer
    x = 1,353,309.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.