Home / 1,094,205.30-1,640,185.48-420,105.07

Finding the Fourth Proportional to 1,094,205.30, 1,640,185.48 and 420,105.07

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Solution

The fourth proportional to 1,094,205.30, 1,640,185.48 and 420,105.07 is: 629,726.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094,205.30 : 1,640,185.48 = 420,105.07 : x
  2. Step 2: Convert to fraction form
    1,094,205.30/1,640,185.48 = 420,105.07/x
  3. Step 3: Cross multiply
    1,094,205.30x = 1,640,185.48 × 420,105.07
  4. Step 4: Simplify right side
    1,094,205.30x = 689,050,235,888.38
  5. Step 5: Solve for x
    x = 689,050,235,888.38/1,094,205.30
  6. Step 6: Final answer
    x = 629,726.65

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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.