Home / 991,416.41-1,487,125.44-271,765.94

Finding the Fourth Proportional to 991,416.41, 1,487,125.44 and 271,765.94

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Solution

The fourth proportional to 991,416.41, 1,487,125.44 and 271,765.94 is: 407,649.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,416.41 : 1,487,125.44 = 271,765.94 : x
  2. Step 2: Convert to fraction form
    991,416.41/1,487,125.44 = 271,765.94/x
  3. Step 3: Cross multiply
    991,416.41x = 1,487,125.44 × 271,765.94
  4. Step 4: Simplify right side
    991,416.41x = 404,150,035,663.89
  5. Step 5: Solve for x
    x = 404,150,035,663.89/991,416.41
  6. Step 6: Final answer
    x = 407,649.13

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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.