Home / 1,107,575.39-1,661,643.30-308,857.02

Finding the Fourth Proportional to 1,107,575.39, 1,661,643.30 and 308,857.02

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Solution

The fourth proportional to 1,107,575.39, 1,661,643.30 and 308,857.02 is: 463,363.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,575.39 : 1,661,643.30 = 308,857.02 : x
  2. Step 2: Convert to fraction form
    1,107,575.39/1,661,643.30 = 308,857.02/x
  3. Step 3: Cross multiply
    1,107,575.39x = 1,661,643.30 × 308,857.02
  4. Step 4: Simplify right side
    1,107,575.39x = 513,210,197,940.97
  5. Step 5: Solve for x
    x = 513,210,197,940.97/1,107,575.39
  6. Step 6: Final answer
    x = 463,363.67

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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.