Home / 1,351,728.45-1,866,161.57-1,009,451.61

Finding the Fourth Proportional to 1,351,728.45, 1,866,161.57 and 1,009,451.61

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Solution

The fourth proportional to 1,351,728.45, 1,866,161.57 and 1,009,451.61 is: 1,393,622.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,728.45 : 1,866,161.57 = 1,009,451.61 : x
  2. Step 2: Convert to fraction form
    1,351,728.45/1,866,161.57 = 1,009,451.61/x
  3. Step 3: Cross multiply
    1,351,728.45x = 1,866,161.57 × 1,009,451.61
  4. Step 4: Simplify right side
    1,351,728.45x = 1,883,799,796,309.37
  5. Step 5: Solve for x
    x = 1,883,799,796,309.37/1,351,728.45
  6. Step 6: Final answer
    x = 1,393,622.95

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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.