Home / 1,247,768.76-1,871,653.44-349,342.86

Finding the Fourth Proportional to 1,247,768.76, 1,871,653.44 and 349,342.86

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Solution

The fourth proportional to 1,247,768.76, 1,871,653.44 and 349,342.86 is: 524,014.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,768.76 : 1,871,653.44 = 349,342.86 : x
  2. Step 2: Convert to fraction form
    1,247,768.76/1,871,653.44 = 349,342.86/x
  3. Step 3: Cross multiply
    1,247,768.76x = 1,871,653.44 × 349,342.86
  4. Step 4: Simplify right side
    1,247,768.76x = 653,848,765,658.44
  5. Step 5: Solve for x
    x = 653,848,765,658.44/1,247,768.76
  6. Step 6: Final answer
    x = 524,014.37

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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.