Home / 1,261,923-1,892,888.55-315,293.82

Finding the Fourth Proportional to 1,261,923, 1,892,888.55 and 315,293.82

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Solution

The fourth proportional to 1,261,923, 1,892,888.55 and 315,293.82 is: 472,941.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,923 : 1,892,888.55 = 315,293.82 : x
  2. Step 2: Convert to fraction form
    1,261,923/1,892,888.55 = 315,293.82/x
  3. Step 3: Cross multiply
    1,261,923x = 1,892,888.55 × 315,293.82
  4. Step 4: Simplify right side
    1,261,923x = 596,816,061,763.76
  5. Step 5: Solve for x
    x = 596,816,061,763.76/1,261,923
  6. Step 6: Final answer
    x = 472,941.74

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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.