Home / 1,216,179.56-1,678,801.38-1,088,634.60

Finding the Fourth Proportional to 1,216,179.56, 1,678,801.38 and 1,088,634.60

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Solution

The fourth proportional to 1,216,179.56, 1,678,801.38 and 1,088,634.60 is: 1,502,739.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,179.56 : 1,678,801.38 = 1,088,634.60 : x
  2. Step 2: Convert to fraction form
    1,216,179.56/1,678,801.38 = 1,088,634.60/x
  3. Step 3: Cross multiply
    1,216,179.56x = 1,678,801.38 × 1,088,634.60
  4. Step 4: Simplify right side
    1,216,179.56x = 1,827,601,268,795.75
  5. Step 5: Solve for x
    x = 1,827,601,268,795.75/1,216,179.56
  6. Step 6: Final answer
    x = 1,502,739.67

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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.