Home / 1,072,610.45-1,479,835.77-613,557.78

Finding the Fourth Proportional to 1,072,610.45, 1,479,835.77 and 613,557.78

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Solution

The fourth proportional to 1,072,610.45, 1,479,835.77 and 613,557.78 is: 846,500.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,610.45 : 1,479,835.77 = 613,557.78 : x
  2. Step 2: Convert to fraction form
    1,072,610.45/1,479,835.77 = 613,557.78/x
  3. Step 3: Cross multiply
    1,072,610.45x = 1,479,835.77 × 613,557.78
  4. Step 4: Simplify right side
    1,072,610.45x = 907,964,749,805.79
  5. Step 5: Solve for x
    x = 907,964,749,805.79/1,072,610.45
  6. Step 6: Final answer
    x = 846,500.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.