Home / 1,126,765.02-1,690,209.06-285,324.06

Finding the Fourth Proportional to 1,126,765.02, 1,690,209.06 and 285,324.06

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Solution

The fourth proportional to 1,126,765.02, 1,690,209.06 and 285,324.06 is: 428,001.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,765.02 : 1,690,209.06 = 285,324.06 : x
  2. Step 2: Convert to fraction form
    1,126,765.02/1,690,209.06 = 285,324.06/x
  3. Step 3: Cross multiply
    1,126,765.02x = 1,690,209.06 × 285,324.06
  4. Step 4: Simplify right side
    1,126,765.02x = 482,257,311,247.98
  5. Step 5: Solve for x
    x = 482,257,311,247.98/1,126,765.02
  6. Step 6: Final answer
    x = 428,001.67

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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.