Home / 1,377,955.88-2,066,972.70-380,683.88

Finding the Fourth Proportional to 1,377,955.88, 2,066,972.70 and 380,683.88

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Solution

The fourth proportional to 1,377,955.88, 2,066,972.70 and 380,683.88 is: 571,036.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,955.88 : 2,066,972.70 = 380,683.88 : x
  2. Step 2: Convert to fraction form
    1,377,955.88/2,066,972.70 = 380,683.88/x
  3. Step 3: Cross multiply
    1,377,955.88x = 2,066,972.70 × 380,683.88
  4. Step 4: Simplify right side
    1,377,955.88x = 786,863,187,290.08
  5. Step 5: Solve for x
    x = 786,863,187,290.08/1,377,955.88
  6. Step 6: Final answer
    x = 571,036.56

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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.