Home / 1,672,308.70-2,308,743.60-1,101,009.64

Finding the Fourth Proportional to 1,672,308.70, 2,308,743.60 and 1,101,009.64

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Solution

The fourth proportional to 1,672,308.70, 2,308,743.60 and 1,101,009.64 is: 1,520,023.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,308.70 : 2,308,743.60 = 1,101,009.64 : x
  2. Step 2: Convert to fraction form
    1,672,308.70/2,308,743.60 = 1,101,009.64/x
  3. Step 3: Cross multiply
    1,672,308.70x = 2,308,743.60 × 1,101,009.64
  4. Step 4: Simplify right side
    1,672,308.70x = 2,541,948,959,888.30
  5. Step 5: Solve for x
    x = 2,541,948,959,888.30/1,672,308.70
  6. Step 6: Final answer
    x = 1,520,023.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.