Home / 1,108,905.30-1,660,247.55-1,077,801.30

Finding the Fourth Proportional to 1,108,905.30, 1,660,247.55 and 1,077,801.30

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Solution

The fourth proportional to 1,108,905.30, 1,660,247.55 and 1,077,801.30 is: 1,613,678.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,905.30 : 1,660,247.55 = 1,077,801.30 : x
  2. Step 2: Convert to fraction form
    1,108,905.30/1,660,247.55 = 1,077,801.30/x
  3. Step 3: Cross multiply
    1,108,905.30x = 1,660,247.55 × 1,077,801.30
  4. Step 4: Simplify right side
    1,108,905.30x = 1,789,416,967,711.82
  5. Step 5: Solve for x
    x = 1,789,416,967,711.82/1,108,905.30
  6. Step 6: Final answer
    x = 1,613,678.79

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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.