Home / 1,316,097.74-1,974,933.12-1,209,022.22

Finding the Fourth Proportional to 1,316,097.74, 1,974,933.12 and 1,209,022.22

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Solution

The fourth proportional to 1,316,097.74, 1,974,933.12 and 1,209,022.22 is: 1,814,255.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,097.74 : 1,974,933.12 = 1,209,022.22 : x
  2. Step 2: Convert to fraction form
    1,316,097.74/1,974,933.12 = 1,209,022.22/x
  3. Step 3: Cross multiply
    1,316,097.74x = 1,974,933.12 × 1,209,022.22
  4. Step 4: Simplify right side
    1,316,097.74x = 2,387,738,025,093.93
  5. Step 5: Solve for x
    x = 2,387,738,025,093.93/1,316,097.74
  6. Step 6: Final answer
    x = 1,814,255.85

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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.