Home / 1,284,942.96-1,927,433.88-486,600.48

Finding the Fourth Proportional to 1,284,942.96, 1,927,433.88 and 486,600.48

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Solution

The fourth proportional to 1,284,942.96, 1,927,433.88 and 486,600.48 is: 729,908.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,942.96 : 1,927,433.88 = 486,600.48 : x
  2. Step 2: Convert to fraction form
    1,284,942.96/1,927,433.88 = 486,600.48/x
  3. Step 3: Cross multiply
    1,284,942.96x = 1,927,433.88 × 486,600.48
  4. Step 4: Simplify right side
    1,284,942.96x = 937,890,251,176.26
  5. Step 5: Solve for x
    x = 937,890,251,176.26/1,284,942.96
  6. Step 6: Final answer
    x = 729,908.08

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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.