Home / 1,332,918.40-1,999,669.20-533,999.20

Finding the Fourth Proportional to 1,332,918.40, 1,999,669.20 and 533,999.20

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Solution

The fourth proportional to 1,332,918.40, 1,999,669.20 and 533,999.20 is: 801,115.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,918.40 : 1,999,669.20 = 533,999.20 : x
  2. Step 2: Convert to fraction form
    1,332,918.40/1,999,669.20 = 533,999.20/x
  3. Step 3: Cross multiply
    1,332,918.40x = 1,999,669.20 × 533,999.20
  4. Step 4: Simplify right side
    1,332,918.40x = 1,067,821,753,064.64
  5. Step 5: Solve for x
    x = 1,067,821,753,064.64/1,332,918.40
  6. Step 6: Final answer
    x = 801,115.62

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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.