Home / 1,332,334.80-1,998,064.80-490,777.20

Finding the Fourth Proportional to 1,332,334.80, 1,998,064.80 and 490,777.20

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Solution

The fourth proportional to 1,332,334.80, 1,998,064.80 and 490,777.20 is: 736,004.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,334.80 : 1,998,064.80 = 490,777.20 : x
  2. Step 2: Convert to fraction form
    1,332,334.80/1,998,064.80 = 490,777.20/x
  3. Step 3: Cross multiply
    1,332,334.80x = 1,998,064.80 × 490,777.20
  4. Step 4: Simplify right side
    1,332,334.80x = 980,604,647,962.56
  5. Step 5: Solve for x
    x = 980,604,647,962.56/1,332,334.80
  6. Step 6: Final answer
    x = 736,004.68

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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.