Home / 1,120,178.94-1,545,966.84-684,851.74

Finding the Fourth Proportional to 1,120,178.94, 1,545,966.84 and 684,851.74

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Solution

The fourth proportional to 1,120,178.94, 1,545,966.84 and 684,851.74 is: 945,168.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,178.94 : 1,545,966.84 = 684,851.74 : x
  2. Step 2: Convert to fraction form
    1,120,178.94/1,545,966.84 = 684,851.74/x
  3. Step 3: Cross multiply
    1,120,178.94x = 1,545,966.84 × 684,851.74
  4. Step 4: Simplify right side
    1,120,178.94x = 1,058,758,080,356.30
  5. Step 5: Solve for x
    x = 1,058,758,080,356.30/1,120,178.94
  6. Step 6: Final answer
    x = 945,168.71

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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.