Home / 1,077,179.04-1,485,960.80-822,087.36

Finding the Fourth Proportional to 1,077,179.04, 1,485,960.80 and 822,087.36

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Solution

The fourth proportional to 1,077,179.04, 1,485,960.80 and 822,087.36 is: 1,134,063.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,179.04 : 1,485,960.80 = 822,087.36 : x
  2. Step 2: Convert to fraction form
    1,077,179.04/1,485,960.80 = 822,087.36/x
  3. Step 3: Cross multiply
    1,077,179.04x = 1,485,960.80 × 822,087.36
  4. Step 4: Simplify right side
    1,077,179.04x = 1,221,589,587,025.05
  5. Step 5: Solve for x
    x = 1,221,589,587,025.05/1,077,179.04
  6. Step 6: Final answer
    x = 1,134,063.64

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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.