Home / 1,111,125.57-1,665,401.78-510,826.88

Finding the Fourth Proportional to 1,111,125.57, 1,665,401.78 and 510,826.88

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Solution

The fourth proportional to 1,111,125.57, 1,665,401.78 and 510,826.88 is: 765,648.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,125.57 : 1,665,401.78 = 510,826.88 : x
  2. Step 2: Convert to fraction form
    1,111,125.57/1,665,401.78 = 510,826.88/x
  3. Step 3: Cross multiply
    1,111,125.57x = 1,665,401.78 × 510,826.88
  4. Step 4: Simplify right side
    1,111,125.57x = 850,731,986,896.84
  5. Step 5: Solve for x
    x = 850,731,986,896.84/1,111,125.57
  6. Step 6: Final answer
    x = 765,648.82

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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.