Home / 1,377,952.38-2,066,967.45-380,680.38

Finding the Fourth Proportional to 1,377,952.38, 2,066,967.45 and 380,680.38

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Solution

The fourth proportional to 1,377,952.38, 2,066,967.45 and 380,680.38 is: 571,031.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,952.38 : 2,066,967.45 = 380,680.38 : x
  2. Step 2: Convert to fraction form
    1,377,952.38/2,066,967.45 = 380,680.38/x
  3. Step 3: Cross multiply
    1,377,952.38x = 2,066,967.45 × 380,680.38
  4. Step 4: Simplify right side
    1,377,952.38x = 786,853,954,313.63
  5. Step 5: Solve for x
    x = 786,853,954,313.63/1,377,952.38
  6. Step 6: Final answer
    x = 571,031.31

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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.