Home / 1,372,004.11-1,893,211.95-760,003.75

Finding the Fourth Proportional to 1,372,004.11, 1,893,211.95 and 760,003.75

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Solution

The fourth proportional to 1,372,004.11, 1,893,211.95 and 760,003.75 is: 1,048,720.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,004.11 : 1,893,211.95 = 760,003.75 : x
  2. Step 2: Convert to fraction form
    1,372,004.11/1,893,211.95 = 760,003.75/x
  3. Step 3: Cross multiply
    1,372,004.11x = 1,893,211.95 × 760,003.75
  4. Step 4: Simplify right side
    1,372,004.11x = 1,438,848,181,544.81
  5. Step 5: Solve for x
    x = 1,438,848,181,544.81/1,372,004.11
  6. Step 6: Final answer
    x = 1,048,720.02

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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.