Home / 1,212,850.40-1,817,817.60-502,512.80

Finding the Fourth Proportional to 1,212,850.40, 1,817,817.60 and 502,512.80

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Solution

The fourth proportional to 1,212,850.40, 1,817,817.60 and 502,512.80 is: 753,165.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,850.40 : 1,817,817.60 = 502,512.80 : x
  2. Step 2: Convert to fraction form
    1,212,850.40/1,817,817.60 = 502,512.80/x
  3. Step 3: Cross multiply
    1,212,850.40x = 1,817,817.60 × 502,512.80
  4. Step 4: Simplify right side
    1,212,850.40x = 913,476,612,065.28
  5. Step 5: Solve for x
    x = 913,476,612,065.28/1,212,850.40
  6. Step 6: Final answer
    x = 753,165.12

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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.