Home / 1,109,891.70-1,664,530.35-445,110.90

Finding the Fourth Proportional to 1,109,891.70, 1,664,530.35 and 445,110.90

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Solution

The fourth proportional to 1,109,891.70, 1,664,530.35 and 445,110.90 is: 667,543.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,891.70 : 1,664,530.35 = 445,110.90 : x
  2. Step 2: Convert to fraction form
    1,109,891.70/1,664,530.35 = 445,110.90/x
  3. Step 3: Cross multiply
    1,109,891.70x = 1,664,530.35 × 445,110.90
  4. Step 4: Simplify right side
    1,109,891.70x = 740,900,602,165.82
  5. Step 5: Solve for x
    x = 740,900,602,165.82/1,109,891.70
  6. Step 6: Final answer
    x = 667,543.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.