Home / 1,288,305.47-1,923,782.66-1,052,116.67

Finding the Fourth Proportional to 1,288,305.47, 1,923,782.66 and 1,052,116.67

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Solution

The fourth proportional to 1,288,305.47, 1,923,782.66 and 1,052,116.67 is: 1,571,089.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,305.47 : 1,923,782.66 = 1,052,116.67 : x
  2. Step 2: Convert to fraction form
    1,288,305.47/1,923,782.66 = 1,052,116.67/x
  3. Step 3: Cross multiply
    1,288,305.47x = 1,923,782.66 × 1,052,116.67
  4. Step 4: Simplify right side
    1,288,305.47x = 2,024,043,806,042.94
  5. Step 5: Solve for x
    x = 2,024,043,806,042.94/1,288,305.47
  6. Step 6: Final answer
    x = 1,571,089.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.