Home / 1,276,232.76-1,913,872.46-423,147.96

Finding the Fourth Proportional to 1,276,232.76, 1,913,872.46 and 423,147.96

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Solution

The fourth proportional to 1,276,232.76, 1,913,872.46 and 423,147.96 is: 634,563.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,232.76 : 1,913,872.46 = 423,147.96 : x
  2. Step 2: Convert to fraction form
    1,276,232.76/1,913,872.46 = 423,147.96/x
  3. Step 3: Cross multiply
    1,276,232.76x = 1,913,872.46 × 423,147.96
  4. Step 4: Simplify right side
    1,276,232.76x = 809,851,227,149.18
  5. Step 5: Solve for x
    x = 809,851,227,149.18/1,276,232.76
  6. Step 6: Final answer
    x = 634,563.89

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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.