Home / 1,207,473.67-1,811,191.99-308,907.80

Finding the Fourth Proportional to 1,207,473.67, 1,811,191.99 and 308,907.80

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Solution

The fourth proportional to 1,207,473.67, 1,811,191.99 and 308,907.80 is: 463,356.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,473.67 : 1,811,191.99 = 308,907.80 : x
  2. Step 2: Convert to fraction form
    1,207,473.67/1,811,191.99 = 308,907.80/x
  3. Step 3: Cross multiply
    1,207,473.67x = 1,811,191.99 × 308,907.80
  4. Step 4: Simplify right side
    1,207,473.67x = 559,491,333,008.52
  5. Step 5: Solve for x
    x = 559,491,333,008.52/1,207,473.67
  6. Step 6: Final answer
    x = 463,356.96

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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.