Home / 1,538,428.30-2,307,644.10-401,189.52

Finding the Fourth Proportional to 1,538,428.30, 2,307,644.10 and 401,189.52

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Solution

The fourth proportional to 1,538,428.30, 2,307,644.10 and 401,189.52 is: 601,784.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,428.30 : 2,307,644.10 = 401,189.52 : x
  2. Step 2: Convert to fraction form
    1,538,428.30/2,307,644.10 = 401,189.52/x
  3. Step 3: Cross multiply
    1,538,428.30x = 2,307,644.10 × 401,189.52
  4. Step 4: Simplify right side
    1,538,428.30x = 925,802,628,809.83
  5. Step 5: Solve for x
    x = 925,802,628,809.83/1,538,428.30
  6. Step 6: Final answer
    x = 601,784.71

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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.