Home / 1,238,839.26-1,858,935.96-480,710.48

Finding the Fourth Proportional to 1,238,839.26, 1,858,935.96 and 480,710.48

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Solution

The fourth proportional to 1,238,839.26, 1,858,935.96 and 480,710.48 is: 721,328.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,839.26 : 1,858,935.96 = 480,710.48 : x
  2. Step 2: Convert to fraction form
    1,238,839.26/1,858,935.96 = 480,710.48/x
  3. Step 3: Cross multiply
    1,238,839.26x = 1,858,935.96 × 480,710.48
  4. Step 4: Simplify right side
    1,238,839.26x = 893,609,997,620.86
  5. Step 5: Solve for x
    x = 893,609,997,620.86/1,238,839.26
  6. Step 6: Final answer
    x = 721,328.45

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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.