Home / 1,099,143.14-1,648,635.73-340,964.94

Finding the Fourth Proportional to 1,099,143.14, 1,648,635.73 and 340,964.94

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Solution

The fourth proportional to 1,099,143.14, 1,648,635.73 and 340,964.94 is: 511,422.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,143.14 : 1,648,635.73 = 340,964.94 : x
  2. Step 2: Convert to fraction form
    1,099,143.14/1,648,635.73 = 340,964.94/x
  3. Step 3: Cross multiply
    1,099,143.14x = 1,648,635.73 × 340,964.94
  4. Step 4: Simplify right side
    1,099,143.14x = 562,126,988,091.28
  5. Step 5: Solve for x
    x = 562,126,988,091.28/1,099,143.14
  6. Step 6: Final answer
    x = 511,422.91

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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.