Home / 1,330,221.60-1,993,971.60-655,264.80

Finding the Fourth Proportional to 1,330,221.60, 1,993,971.60 and 655,264.80

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Solution

The fourth proportional to 1,330,221.60, 1,993,971.60 and 655,264.80 is: 982,226.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,221.60 : 1,993,971.60 = 655,264.80 : x
  2. Step 2: Convert to fraction form
    1,330,221.60/1,993,971.60 = 655,264.80/x
  3. Step 3: Cross multiply
    1,330,221.60x = 1,993,971.60 × 655,264.80
  4. Step 4: Simplify right side
    1,330,221.60x = 1,306,579,401,679.68
  5. Step 5: Solve for x
    x = 1,306,579,401,679.68/1,330,221.60
  6. Step 6: Final answer
    x = 982,226.87

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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.