Home / 1,068,958.72-1,475,119.84-639,476.32

Finding the Fourth Proportional to 1,068,958.72, 1,475,119.84 and 639,476.32

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Solution

The fourth proportional to 1,068,958.72, 1,475,119.84 and 639,476.32 is: 882,451.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,958.72 : 1,475,119.84 = 639,476.32 : x
  2. Step 2: Convert to fraction form
    1,068,958.72/1,475,119.84 = 639,476.32/x
  3. Step 3: Cross multiply
    1,068,958.72x = 1,475,119.84 × 639,476.32
  4. Step 4: Simplify right side
    1,068,958.72x = 943,304,206,842.19
  5. Step 5: Solve for x
    x = 943,304,206,842.19/1,068,958.72
  6. Step 6: Final answer
    x = 882,451.48

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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.