Home / 1,251,109.76-1,876,664.86-304,480.50

Finding the Fourth Proportional to 1,251,109.76, 1,876,664.86 and 304,480.50

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Solution

The fourth proportional to 1,251,109.76, 1,876,664.86 and 304,480.50 is: 456,720.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,109.76 : 1,876,664.86 = 304,480.50 : x
  2. Step 2: Convert to fraction form
    1,251,109.76/1,876,664.86 = 304,480.50/x
  3. Step 3: Cross multiply
    1,251,109.76x = 1,876,664.86 × 304,480.50
  4. Step 4: Simplify right side
    1,251,109.76x = 571,407,854,905.23
  5. Step 5: Solve for x
    x = 571,407,854,905.23/1,251,109.76
  6. Step 6: Final answer
    x = 456,720.80

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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.