Home / 1,538,431.82-2,307,649.37-401,193.03

Finding the Fourth Proportional to 1,538,431.82, 2,307,649.37 and 401,193.03

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Solution

The fourth proportional to 1,538,431.82, 2,307,649.37 and 401,193.03 is: 601,789.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,431.82 : 2,307,649.37 = 401,193.03 : x
  2. Step 2: Convert to fraction form
    1,538,431.82/2,307,649.37 = 401,193.03/x
  3. Step 3: Cross multiply
    1,538,431.82x = 2,307,649.37 × 401,193.03
  4. Step 4: Simplify right side
    1,538,431.82x = 925,812,842,927.89
  5. Step 5: Solve for x
    x = 925,812,842,927.89/1,538,431.82
  6. Step 6: Final answer
    x = 601,789.97

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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.