Home / 1,327,127.39-1,990,367.47-367,558.05

Finding the Fourth Proportional to 1,327,127.39, 1,990,367.47 and 367,558.05

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Solution

The fourth proportional to 1,327,127.39, 1,990,367.47 and 367,558.05 is: 551,247.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,127.39 : 1,990,367.47 = 367,558.05 : x
  2. Step 2: Convert to fraction form
    1,327,127.39/1,990,367.47 = 367,558.05/x
  3. Step 3: Cross multiply
    1,327,127.39x = 1,990,367.47 × 367,558.05
  4. Step 4: Simplify right side
    1,327,127.39x = 731,575,593,979.96
  5. Step 5: Solve for x
    x = 731,575,593,979.96/1,327,127.39
  6. Step 6: Final answer
    x = 551,247.45

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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.