Home / 1,238,837.26-1,858,932.96-480,708.48

Finding the Fourth Proportional to 1,238,837.26, 1,858,932.96 and 480,708.48

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Solution

The fourth proportional to 1,238,837.26, 1,858,932.96 and 480,708.48 is: 721,325.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,837.26 : 1,858,932.96 = 480,708.48 : x
  2. Step 2: Convert to fraction form
    1,238,837.26/1,858,932.96 = 480,708.48/x
  3. Step 3: Cross multiply
    1,238,837.26x = 1,858,932.96 × 480,708.48
  4. Step 4: Simplify right side
    1,238,837.26x = 893,604,837,623.50
  5. Step 5: Solve for x
    x = 893,604,837,623.50/1,238,837.26
  6. Step 6: Final answer
    x = 721,325.44

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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.