Home / 1,247,575.28-1,871,430.98-394,583.22

Finding the Fourth Proportional to 1,247,575.28, 1,871,430.98 and 394,583.22

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Solution

The fourth proportional to 1,247,575.28, 1,871,430.98 and 394,583.22 is: 591,896.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,575.28 : 1,871,430.98 = 394,583.22 : x
  2. Step 2: Convert to fraction form
    1,247,575.28/1,871,430.98 = 394,583.22/x
  3. Step 3: Cross multiply
    1,247,575.28x = 1,871,430.98 × 394,583.22
  4. Step 4: Simplify right side
    1,247,575.28x = 738,435,260,123.24
  5. Step 5: Solve for x
    x = 738,435,260,123.24/1,247,575.28
  6. Step 6: Final answer
    x = 591,896.36

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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.