Home / 1,100,662.98-1,518,930.43-665,019.72

Finding the Fourth Proportional to 1,100,662.98, 1,518,930.43 and 665,019.72

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Solution

The fourth proportional to 1,100,662.98, 1,518,930.43 and 665,019.72 is: 917,736.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,662.98 : 1,518,930.43 = 665,019.72 : x
  2. Step 2: Convert to fraction form
    1,100,662.98/1,518,930.43 = 665,019.72/x
  3. Step 3: Cross multiply
    1,100,662.98x = 1,518,930.43 × 665,019.72
  4. Step 4: Simplify right side
    1,100,662.98x = 1,010,118,687,595.53
  5. Step 5: Solve for x
    x = 1,010,118,687,595.53/1,100,662.98
  6. Step 6: Final answer
    x = 917,736.59

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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.