Home / 1,667,138.25-2,300,653.13-903,191.82

Finding the Fourth Proportional to 1,667,138.25, 2,300,653.13 and 903,191.82

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Solution

The fourth proportional to 1,667,138.25, 2,300,653.13 and 903,191.82 is: 1,246,405.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,667,138.25 : 2,300,653.13 = 903,191.82 : x
  2. Step 2: Convert to fraction form
    1,667,138.25/2,300,653.13 = 903,191.82/x
  3. Step 3: Cross multiply
    1,667,138.25x = 2,300,653.13 × 903,191.82
  4. Step 4: Simplify right side
    1,667,138.25x = 2,077,931,087,673.40
  5. Step 5: Solve for x
    x = 2,077,931,087,673.40/1,667,138.25
  6. Step 6: Final answer
    x = 1,246,405.98

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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.