Home / 1,004,229.75-1,385,149.20-641,492.51

Finding the Fourth Proportional to 1,004,229.75, 1,385,149.20 and 641,492.51

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Solution

The fourth proportional to 1,004,229.75, 1,385,149.20 and 641,492.51 is: 884,820.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,229.75 : 1,385,149.20 = 641,492.51 : x
  2. Step 2: Convert to fraction form
    1,004,229.75/1,385,149.20 = 641,492.51/x
  3. Step 3: Cross multiply
    1,004,229.75x = 1,385,149.20 × 641,492.51
  4. Step 4: Simplify right side
    1,004,229.75x = 888,562,837,032.49
  5. Step 5: Solve for x
    x = 888,562,837,032.49/1,004,229.75
  6. Step 6: Final answer
    x = 884,820.27

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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.