Home / 1,206,085.68-1,809,177.72-307,550.72

Finding the Fourth Proportional to 1,206,085.68, 1,809,177.72 and 307,550.72

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Solution

The fourth proportional to 1,206,085.68, 1,809,177.72 and 307,550.72 is: 461,338.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,085.68 : 1,809,177.72 = 307,550.72 : x
  2. Step 2: Convert to fraction form
    1,206,085.68/1,809,177.72 = 307,550.72/x
  3. Step 3: Cross multiply
    1,206,085.68x = 1,809,177.72 × 307,550.72
  4. Step 4: Simplify right side
    1,206,085.68x = 556,413,910,393.96
  5. Step 5: Solve for x
    x = 556,413,910,393.96/1,206,085.68
  6. Step 6: Final answer
    x = 461,338.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.