Home / 1,728,621.68-2,385,723.62-964,833.80

Finding the Fourth Proportional to 1,728,621.68, 2,385,723.62 and 964,833.80

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Solution

The fourth proportional to 1,728,621.68, 2,385,723.62 and 964,833.80 is: 1,331,596.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,621.68 : 2,385,723.62 = 964,833.80 : x
  2. Step 2: Convert to fraction form
    1,728,621.68/2,385,723.62 = 964,833.80/x
  3. Step 3: Cross multiply
    1,728,621.68x = 2,385,723.62 × 964,833.80
  4. Step 4: Simplify right side
    1,728,621.68x = 2,301,826,776,517.82
  5. Step 5: Solve for x
    x = 2,301,826,776,517.82/1,728,621.68
  6. Step 6: Final answer
    x = 1,331,596.62

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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.