Home / 1,538,429.30-2,307,645.60-401,190.52

Finding the Fourth Proportional to 1,538,429.30, 2,307,645.60 and 401,190.52

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Solution

The fourth proportional to 1,538,429.30, 2,307,645.60 and 401,190.52 is: 601,786.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,429.30 : 2,307,645.60 = 401,190.52 : x
  2. Step 2: Convert to fraction form
    1,538,429.30/2,307,645.60 = 401,190.52/x
  3. Step 3: Cross multiply
    1,538,429.30x = 2,307,645.60 × 401,190.52
  4. Step 4: Simplify right side
    1,538,429.30x = 925,805,538,239.71
  5. Step 5: Solve for x
    x = 925,805,538,239.71/1,538,429.30
  6. Step 6: Final answer
    x = 601,786.21

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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.