Home / 1,423,629.57-1,964,608.91-779,049.80

Finding the Fourth Proportional to 1,423,629.57, 1,964,608.91 and 779,049.80

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Solution

The fourth proportional to 1,423,629.57, 1,964,608.91 and 779,049.80 is: 1,075,088.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,629.57 : 1,964,608.91 = 779,049.80 : x
  2. Step 2: Convert to fraction form
    1,423,629.57/1,964,608.91 = 779,049.80/x
  3. Step 3: Cross multiply
    1,423,629.57x = 1,964,608.91 × 779,049.80
  4. Step 4: Simplify right side
    1,423,629.57x = 1,530,528,179,366.30
  5. Step 5: Solve for x
    x = 1,530,528,179,366.30/1,423,629.57
  6. Step 6: Final answer
    x = 1,075,088.78

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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.