Home / 1,004,441.79-1,386,139.85-545,560.80

Finding the Fourth Proportional to 1,004,441.79, 1,386,139.85 and 545,560.80

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Solution

The fourth proportional to 1,004,441.79, 1,386,139.85 and 545,560.80 is: 752,879.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,441.79 : 1,386,139.85 = 545,560.80 : x
  2. Step 2: Convert to fraction form
    1,004,441.79/1,386,139.85 = 545,560.80/x
  3. Step 3: Cross multiply
    1,004,441.79x = 1,386,139.85 × 545,560.80
  4. Step 4: Simplify right side
    1,004,441.79x = 756,223,565,477.88
  5. Step 5: Solve for x
    x = 756,223,565,477.88/1,004,441.79
  6. Step 6: Final answer
    x = 752,879.43

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Double scale
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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.