Home / 1,207,473.30-1,811,191.44-308,907.42

Finding the Fourth Proportional to 1,207,473.30, 1,811,191.44 and 308,907.42

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Solution

The fourth proportional to 1,207,473.30, 1,811,191.44 and 308,907.42 is: 463,356.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,473.30 : 1,811,191.44 = 308,907.42 : x
  2. Step 2: Convert to fraction form
    1,207,473.30/1,811,191.44 = 308,907.42/x
  3. Step 3: Cross multiply
    1,207,473.30x = 1,811,191.44 × 308,907.42
  4. Step 4: Simplify right side
    1,207,473.30x = 559,490,474,856.49
  5. Step 5: Solve for x
    x = 559,490,474,856.49/1,207,473.30
  6. Step 6: Final answer
    x = 463,356.39

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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.