Home / 1,238,009.40-1,856,754.90-607,375.80

Finding the Fourth Proportional to 1,238,009.40, 1,856,754.90 and 607,375.80

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Solution

The fourth proportional to 1,238,009.40, 1,856,754.90 and 607,375.80 is: 910,936.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,009.40 : 1,856,754.90 = 607,375.80 : x
  2. Step 2: Convert to fraction form
    1,238,009.40/1,856,754.90 = 607,375.80/x
  3. Step 3: Cross multiply
    1,238,009.40x = 1,856,754.90 × 607,375.80
  4. Step 4: Simplify right side
    1,238,009.40x = 1,127,747,992,791.42
  5. Step 5: Solve for x
    x = 1,127,747,992,791.42/1,238,009.40
  6. Step 6: Final answer
    x = 910,936.53

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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.