Home / 1,372,370.76-1,893,876.10-760,533.60

Finding the Fourth Proportional to 1,372,370.76, 1,893,876.10 and 760,533.60

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Solution

The fourth proportional to 1,372,370.76, 1,893,876.10 and 760,533.60 is: 1,049,538.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,370.76 : 1,893,876.10 = 760,533.60 : x
  2. Step 2: Convert to fraction form
    1,372,370.76/1,893,876.10 = 760,533.60/x
  3. Step 3: Cross multiply
    1,372,370.76x = 1,893,876.10 × 760,533.60
  4. Step 4: Simplify right side
    1,372,370.76x = 1,440,356,408,286.96
  5. Step 5: Solve for x
    x = 1,440,356,408,286.96/1,372,370.76
  6. Step 6: Final answer
    x = 1,049,538.83

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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.