Home / 693,327.42-1,039,991.15-187,888.40

Finding the Fourth Proportional to 693,327.42, 1,039,991.15 and 187,888.40

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Solution

The fourth proportional to 693,327.42, 1,039,991.15 and 187,888.40 is: 281,832.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,327.42 : 1,039,991.15 = 187,888.40 : x
  2. Step 2: Convert to fraction form
    693,327.42/1,039,991.15 = 187,888.40/x
  3. Step 3: Cross multiply
    693,327.42x = 1,039,991.15 × 187,888.40
  4. Step 4: Simplify right side
    693,327.42x = 195,402,268,105.14
  5. Step 5: Solve for x
    x = 195,402,268,105.14/693,327.42
  6. Step 6: Final answer
    x = 281,832.60

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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.