Home / 1,660,099.80-2,490,149.70-818,542.20

Finding the Fourth Proportional to 1,660,099.80, 2,490,149.70 and 818,542.20

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Solution

The fourth proportional to 1,660,099.80, 2,490,149.70 and 818,542.20 is: 1,227,813.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,099.80 : 2,490,149.70 = 818,542.20 : x
  2. Step 2: Convert to fraction form
    1,660,099.80/2,490,149.70 = 818,542.20/x
  3. Step 3: Cross multiply
    1,660,099.80x = 2,490,149.70 × 818,542.20
  4. Step 4: Simplify right side
    1,660,099.80x = 2,038,292,613,767.34
  5. Step 5: Solve for x
    x = 2,038,292,613,767.34/1,660,099.80
  6. Step 6: Final answer
    x = 1,227,813.30

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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.