Home / 1,876,900.80-2,815,356.96-456,957.12

Finding the Fourth Proportional to 1,876,900.80, 2,815,356.96 and 456,957.12

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Solution

The fourth proportional to 1,876,900.80, 2,815,356.96 and 456,957.12 is: 685,437.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876,900.80 : 2,815,356.96 = 456,957.12 : x
  2. Step 2: Convert to fraction form
    1,876,900.80/2,815,356.96 = 456,957.12/x
  3. Step 3: Cross multiply
    1,876,900.80x = 2,815,356.96 × 456,957.12
  4. Step 4: Simplify right side
    1,876,900.80x = 1,286,497,408,213.56
  5. Step 5: Solve for x
    x = 1,286,497,408,213.56/1,876,900.80
  6. Step 6: Final answer
    x = 685,437.08

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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.