Home / 1,247,764.80-1,871,647.47-349,338.86

Finding the Fourth Proportional to 1,247,764.80, 1,871,647.47 and 349,338.86

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Solution

The fourth proportional to 1,247,764.80, 1,871,647.47 and 349,338.86 is: 524,008.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,764.80 : 1,871,647.47 = 349,338.86 : x
  2. Step 2: Convert to fraction form
    1,247,764.80/1,871,647.47 = 349,338.86/x
  3. Step 3: Cross multiply
    1,247,764.80x = 1,871,647.47 × 349,338.86
  4. Step 4: Simplify right side
    1,247,764.80x = 653,839,193,491.68
  5. Step 5: Solve for x
    x = 653,839,193,491.68/1,247,764.80
  6. Step 6: Final answer
    x = 524,008.37

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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.