Home / 1,102,583.12-1,520,769.48-1,012,226

Finding the Fourth Proportional to 1,102,583.12, 1,520,769.48 and 1,012,226

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Solution

The fourth proportional to 1,102,583.12, 1,520,769.48 and 1,012,226 is: 1,396,141.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,583.12 : 1,520,769.48 = 1,012,226 : x
  2. Step 2: Convert to fraction form
    1,102,583.12/1,520,769.48 = 1,012,226/x
  3. Step 3: Cross multiply
    1,102,583.12x = 1,520,769.48 × 1,012,226
  4. Step 4: Simplify right side
    1,102,583.12x = 1,539,362,407,662.48
  5. Step 5: Solve for x
    x = 1,539,362,407,662.48/1,102,583.12
  6. Step 6: Final answer
    x = 1,396,141.82

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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.