Home / 1,346,628.70-2,019,943.05-1,222,625.80

Finding the Fourth Proportional to 1,346,628.70, 2,019,943.05 and 1,222,625.80

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Solution

The fourth proportional to 1,346,628.70, 2,019,943.05 and 1,222,625.80 is: 1,833,938.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,628.70 : 2,019,943.05 = 1,222,625.80 : x
  2. Step 2: Convert to fraction form
    1,346,628.70/2,019,943.05 = 1,222,625.80/x
  3. Step 3: Cross multiply
    1,346,628.70x = 2,019,943.05 × 1,222,625.80
  4. Step 4: Simplify right side
    1,346,628.70x = 2,469,634,487,460.69
  5. Step 5: Solve for x
    x = 2,469,634,487,460.69/1,346,628.70
  6. Step 6: Final answer
    x = 1,833,938.70

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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.