Home / 1,332,021.60-1,998,032.40-658,231.20

Finding the Fourth Proportional to 1,332,021.60, 1,998,032.40 and 658,231.20

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Solution

The fourth proportional to 1,332,021.60, 1,998,032.40 and 658,231.20 is: 987,346.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,021.60 : 1,998,032.40 = 658,231.20 : x
  2. Step 2: Convert to fraction form
    1,332,021.60/1,998,032.40 = 658,231.20/x
  3. Step 3: Cross multiply
    1,332,021.60x = 1,998,032.40 × 658,231.20
  4. Step 4: Simplify right side
    1,332,021.60x = 1,315,167,264,290.88
  5. Step 5: Solve for x
    x = 1,315,167,264,290.88/1,332,021.60
  6. Step 6: Final answer
    x = 987,346.80

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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.