Home / 1,274,910.42-1,911,666.38-505,628.90

Finding the Fourth Proportional to 1,274,910.42, 1,911,666.38 and 505,628.90

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Solution

The fourth proportional to 1,274,910.42, 1,911,666.38 and 505,628.90 is: 758,166.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,910.42 : 1,911,666.38 = 505,628.90 : x
  2. Step 2: Convert to fraction form
    1,274,910.42/1,911,666.38 = 505,628.90/x
  3. Step 3: Cross multiply
    1,274,910.42x = 1,911,666.38 × 505,628.90
  4. Step 4: Simplify right side
    1,274,910.42x = 966,593,768,886.38
  5. Step 5: Solve for x
    x = 966,593,768,886.38/1,274,910.42
  6. Step 6: Final answer
    x = 758,166.03

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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.