Home / 1,274,009.42-1,911,028.98-505,695.80

Finding the Fourth Proportional to 1,274,009.42, 1,911,028.98 and 505,695.80

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Solution

The fourth proportional to 1,274,009.42, 1,911,028.98 and 505,695.80 is: 758,549.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,009.42 : 1,911,028.98 = 505,695.80 : x
  2. Step 2: Convert to fraction form
    1,274,009.42/1,911,028.98 = 505,695.80/x
  3. Step 3: Cross multiply
    1,274,009.42x = 1,911,028.98 × 505,695.80
  4. Step 4: Simplify right side
    1,274,009.42x = 966,399,328,864.28
  5. Step 5: Solve for x
    x = 966,399,328,864.28/1,274,009.42
  6. Step 6: Final answer
    x = 758,549.59

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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.