Home / 1,201,783.99-1,659,586.08-772,809.43

Finding the Fourth Proportional to 1,201,783.99, 1,659,586.08 and 772,809.43

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Solution

The fourth proportional to 1,201,783.99, 1,659,586.08 and 772,809.43 is: 1,067,199.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,783.99 : 1,659,586.08 = 772,809.43 : x
  2. Step 2: Convert to fraction form
    1,201,783.99/1,659,586.08 = 772,809.43/x
  3. Step 3: Cross multiply
    1,201,783.99x = 1,659,586.08 × 772,809.43
  4. Step 4: Simplify right side
    1,201,783.99x = 1,282,543,772,520.73
  5. Step 5: Solve for x
    x = 1,282,543,772,520.73/1,201,783.99
  6. Step 6: Final answer
    x = 1,067,199.92

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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.