Home / 1,209,102.74-1,667,853.14-773,361.11

Finding the Fourth Proportional to 1,209,102.74, 1,667,853.14 and 773,361.11

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Solution

The fourth proportional to 1,209,102.74, 1,667,853.14 and 773,361.11 is: 1,066,785.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,102.74 : 1,667,853.14 = 773,361.11 : x
  2. Step 2: Convert to fraction form
    1,209,102.74/1,667,853.14 = 773,361.11/x
  3. Step 3: Cross multiply
    1,209,102.74x = 1,667,853.14 × 773,361.11
  4. Step 4: Simplify right side
    1,209,102.74x = 1,289,852,749,680.85
  5. Step 5: Solve for x
    x = 1,289,852,749,680.85/1,209,102.74
  6. Step 6: Final answer
    x = 1,066,785.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.