Home / 1,119,055.56-1,678,845.60-445,175.16

Finding the Fourth Proportional to 1,119,055.56, 1,678,845.60 and 445,175.16

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Solution

The fourth proportional to 1,119,055.56, 1,678,845.60 and 445,175.16 is: 667,867.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,055.56 : 1,678,845.60 = 445,175.16 : x
  2. Step 2: Convert to fraction form
    1,119,055.56/1,678,845.60 = 445,175.16/x
  3. Step 3: Cross multiply
    1,119,055.56x = 1,678,845.60 × 445,175.16
  4. Step 4: Simplify right side
    1,119,055.56x = 747,380,358,595.30
  5. Step 5: Solve for x
    x = 747,380,358,595.30/1,119,055.56
  6. Step 6: Final answer
    x = 667,867.07

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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.