Home / 1,332,003.60-1,998,005.40-490,381.20

Finding the Fourth Proportional to 1,332,003.60, 1,998,005.40 and 490,381.20

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Solution

The fourth proportional to 1,332,003.60, 1,998,005.40 and 490,381.20 is: 735,571.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,003.60 : 1,998,005.40 = 490,381.20 : x
  2. Step 2: Convert to fraction form
    1,332,003.60/1,998,005.40 = 490,381.20/x
  3. Step 3: Cross multiply
    1,332,003.60x = 1,998,005.40 × 490,381.20
  4. Step 4: Simplify right side
    1,332,003.60x = 979,784,285,658.48
  5. Step 5: Solve for x
    x = 979,784,285,658.48/1,332,003.60
  6. Step 6: Final answer
    x = 735,571.80

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1.5x scale

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.