Home / 1,129,867.06-1,694,800.05-288,418.54

Finding the Fourth Proportional to 1,129,867.06, 1,694,800.05 and 288,418.54

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Solution

The fourth proportional to 1,129,867.06, 1,694,800.05 and 288,418.54 is: 432,627.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,867.06 : 1,694,800.05 = 288,418.54 : x
  2. Step 2: Convert to fraction form
    1,129,867.06/1,694,800.05 = 288,418.54/x
  3. Step 3: Cross multiply
    1,129,867.06x = 1,694,800.05 × 288,418.54
  4. Step 4: Simplify right side
    1,129,867.06x = 488,811,756,012.93
  5. Step 5: Solve for x
    x = 488,811,756,012.93/1,129,867.06
  6. Step 6: Final answer
    x = 432,627.67

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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.