Home / 1,201,784.49-1,659,586.77-772,809.93

Finding the Fourth Proportional to 1,201,784.49, 1,659,586.77 and 772,809.93

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Solution

The fourth proportional to 1,201,784.49, 1,659,586.77 and 772,809.93 is: 1,067,200.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,784.49 : 1,659,586.77 = 772,809.93 : x
  2. Step 2: Convert to fraction form
    1,201,784.49/1,659,586.77 = 772,809.93/x
  3. Step 3: Cross multiply
    1,201,784.49x = 1,659,586.77 × 772,809.93
  4. Step 4: Simplify right side
    1,201,784.49x = 1,282,545,135,552.63
  5. Step 5: Solve for x
    x = 1,282,545,135,552.63/1,201,784.49
  6. Step 6: Final answer
    x = 1,067,200.61

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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.