Home / 1,209,405.87-1,814,371.25-367,935.75

Finding the Fourth Proportional to 1,209,405.87, 1,814,371.25 and 367,935.75

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Solution

The fourth proportional to 1,209,405.87, 1,814,371.25 and 367,935.75 is: 551,983.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,405.87 : 1,814,371.25 = 367,935.75 : x
  2. Step 2: Convert to fraction form
    1,209,405.87/1,814,371.25 = 367,935.75/x
  3. Step 3: Cross multiply
    1,209,405.87x = 1,814,371.25 × 367,935.75
  4. Step 4: Simplify right side
    1,209,405.87x = 667,572,044,807.51
  5. Step 5: Solve for x
    x = 667,572,044,807.51/1,209,405.87
  6. Step 6: Final answer
    x = 551,983.47

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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.