Home / 1,388,770.59-2,082,945.39-377,971.31

Finding the Fourth Proportional to 1,388,770.59, 2,082,945.39 and 377,971.31

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Solution

The fourth proportional to 1,388,770.59, 2,082,945.39 and 377,971.31 is: 566,899.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,770.59 : 2,082,945.39 = 377,971.31 : x
  2. Step 2: Convert to fraction form
    1,388,770.59/2,082,945.39 = 377,971.31/x
  3. Step 3: Cross multiply
    1,388,770.59x = 2,082,945.39 × 377,971.31
  4. Step 4: Simplify right side
    1,388,770.59x = 787,293,592,152.43
  5. Step 5: Solve for x
    x = 787,293,592,152.43/1,388,770.59
  6. Step 6: Final answer
    x = 566,899.67

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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.