Home / 1,462,840.38-2,019,965.67-919,884.78

Finding the Fourth Proportional to 1,462,840.38, 2,019,965.67 and 919,884.78

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Solution

The fourth proportional to 1,462,840.38, 2,019,965.67 and 919,884.78 is: 1,270,224.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,462,840.38 : 2,019,965.67 = 919,884.78 : x
  2. Step 2: Convert to fraction form
    1,462,840.38/2,019,965.67 = 919,884.78/x
  3. Step 3: Cross multiply
    1,462,840.38x = 2,019,965.67 × 919,884.78
  4. Step 4: Simplify right side
    1,462,840.38x = 1,858,135,675,955.50
  5. Step 5: Solve for x
    x = 1,858,135,675,955.50/1,462,840.38
  6. Step 6: Final answer
    x = 1,270,224.49

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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.