Home / 1,529,875.20-2,111,229.90-850,811.70

Finding the Fourth Proportional to 1,529,875.20, 2,111,229.90 and 850,811.70

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Solution

The fourth proportional to 1,529,875.20, 2,111,229.90 and 850,811.70 is: 1,174,121.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529,875.20 : 2,111,229.90 = 850,811.70 : x
  2. Step 2: Convert to fraction form
    1,529,875.20/2,111,229.90 = 850,811.70/x
  3. Step 3: Cross multiply
    1,529,875.20x = 2,111,229.90 × 850,811.70
  4. Step 4: Simplify right side
    1,529,875.20x = 1,796,259,100,309.83
  5. Step 5: Solve for x
    x = 1,796,259,100,309.83/1,529,875.20
  6. Step 6: Final answer
    x = 1,174,121.33

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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.