Home / 1,238,841.26-1,858,938.96-480,712.48

Finding the Fourth Proportional to 1,238,841.26, 1,858,938.96 and 480,712.48

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Solution

The fourth proportional to 1,238,841.26, 1,858,938.96 and 480,712.48 is: 721,331.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,841.26 : 1,858,938.96 = 480,712.48 : x
  2. Step 2: Convert to fraction form
    1,238,841.26/1,858,938.96 = 480,712.48/x
  3. Step 3: Cross multiply
    1,238,841.26x = 1,858,938.96 × 480,712.48
  4. Step 4: Simplify right side
    1,238,841.26x = 893,615,157,630.22
  5. Step 5: Solve for x
    x = 893,615,157,630.22/1,238,841.26
  6. Step 6: Final answer
    x = 721,331.45

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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.