Home / 1,109,868.20-1,664,495.10-445,087.40

Finding the Fourth Proportional to 1,109,868.20, 1,664,495.10 and 445,087.40

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Solution

The fourth proportional to 1,109,868.20, 1,664,495.10 and 445,087.40 is: 667,507.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,868.20 : 1,664,495.10 = 445,087.40 : x
  2. Step 2: Convert to fraction form
    1,109,868.20/1,664,495.10 = 445,087.40/x
  3. Step 3: Cross multiply
    1,109,868.20x = 1,664,495.10 × 445,087.40
  4. Step 4: Simplify right side
    1,109,868.20x = 740,845,796,371.74
  5. Step 5: Solve for x
    x = 740,845,796,371.74/1,109,868.20
  6. Step 6: Final answer
    x = 667,507.90

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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.