Home / 1,332,005.80-1,998,008.70-533,410.60

Finding the Fourth Proportional to 1,332,005.80, 1,998,008.70 and 533,410.60

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Solution

The fourth proportional to 1,332,005.80, 1,998,008.70 and 533,410.60 is: 800,115.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,005.80 : 1,998,008.70 = 533,410.60 : x
  2. Step 2: Convert to fraction form
    1,332,005.80/1,998,008.70 = 533,410.60/x
  3. Step 3: Cross multiply
    1,332,005.80x = 1,998,008.70 × 533,410.60
  4. Step 4: Simplify right side
    1,332,005.80x = 1,065,759,019,472.22
  5. Step 5: Solve for x
    x = 1,065,759,019,472.22/1,332,005.80
  6. Step 6: Final answer
    x = 800,115.90

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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.