Home / 1,613,308.39-2,419,963.37-665,637.55

Finding the Fourth Proportional to 1,613,308.39, 2,419,963.37 and 665,637.55

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Solution

The fourth proportional to 1,613,308.39, 2,419,963.37 and 665,637.55 is: 998,456.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613,308.39 : 2,419,963.37 = 665,637.55 : x
  2. Step 2: Convert to fraction form
    1,613,308.39/2,419,963.37 = 665,637.55/x
  3. Step 3: Cross multiply
    1,613,308.39x = 2,419,963.37 × 665,637.55
  4. Step 4: Simplify right side
    1,613,308.39x = 1,610,818,485,368.36
  5. Step 5: Solve for x
    x = 1,610,818,485,368.36/1,613,308.39
  6. Step 6: Final answer
    x = 998,456.65

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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.