Home / 1,538,971.97-2,308,458.56-401,731.02

Finding the Fourth Proportional to 1,538,971.97, 2,308,458.56 and 401,731.02

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Solution

The fourth proportional to 1,538,971.97, 2,308,458.56 and 401,731.02 is: 602,596.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,971.97 : 2,308,458.56 = 401,731.02 : x
  2. Step 2: Convert to fraction form
    1,538,971.97/2,308,458.56 = 401,731.02/x
  3. Step 3: Cross multiply
    1,538,971.97x = 2,308,458.56 × 401,731.02
  4. Step 4: Simplify right side
    1,538,971.97x = 927,379,409,927.88
  5. Step 5: Solve for x
    x = 927,379,409,927.88/1,538,971.97
  6. Step 6: Final answer
    x = 602,596.69

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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.