Home / 1,004,441.78-1,386,139.84-545,560.80

Finding the Fourth Proportional to 1,004,441.78, 1,386,139.84 and 545,560.80

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Solution

The fourth proportional to 1,004,441.78, 1,386,139.84 and 545,560.80 is: 752,879.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,441.78 : 1,386,139.84 = 545,560.80 : x
  2. Step 2: Convert to fraction form
    1,004,441.78/1,386,139.84 = 545,560.80/x
  3. Step 3: Cross multiply
    1,004,441.78x = 1,386,139.84 × 545,560.80
  4. Step 4: Simplify right side
    1,004,441.78x = 756,223,560,022.27
  5. Step 5: Solve for x
    x = 756,223,560,022.27/1,004,441.78
  6. Step 6: Final answer
    x = 752,879.44

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Double scale
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1.5x scale

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.