Home / 1,278,231.58-1,763,996.48-705,308.66

Finding the Fourth Proportional to 1,278,231.58, 1,763,996.48 and 705,308.66

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Solution

The fourth proportional to 1,278,231.58, 1,763,996.48 and 705,308.66 is: 973,346.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,231.58 : 1,763,996.48 = 705,308.66 : x
  2. Step 2: Convert to fraction form
    1,278,231.58/1,763,996.48 = 705,308.66/x
  3. Step 3: Cross multiply
    1,278,231.58x = 1,763,996.48 × 705,308.66
  4. Step 4: Simplify right side
    1,278,231.58x = 1,244,161,989,473.01
  5. Step 5: Solve for x
    x = 1,244,161,989,473.01/1,278,231.58
  6. Step 6: Final answer
    x = 973,346.31

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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.