Home / 1,209,409.25-1,814,376.31-367,939.13

Finding the Fourth Proportional to 1,209,409.25, 1,814,376.31 and 367,939.13

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Solution

The fourth proportional to 1,209,409.25, 1,814,376.31 and 367,939.13 is: 551,988.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,409.25 : 1,814,376.31 = 367,939.13 : x
  2. Step 2: Convert to fraction form
    1,209,409.25/1,814,376.31 = 367,939.13/x
  3. Step 3: Cross multiply
    1,209,409.25x = 1,814,376.31 × 367,939.13
  4. Step 4: Simplify right side
    1,209,409.25x = 667,580,031,002.28
  5. Step 5: Solve for x
    x = 667,580,031,002.28/1,209,409.25
  6. Step 6: Final answer
    x = 551,988.53

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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.