Home / 1,540,105.75-2,309,982.00-402,977.84

Finding the Fourth Proportional to 1,540,105.75, 2,309,982.00 and 402,977.84

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Solution

The fourth proportional to 1,540,105.75, 2,309,982.00 and 402,977.84 is: 604,420.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,105.75 : 2,309,982.00 = 402,977.84 : x
  2. Step 2: Convert to fraction form
    1,540,105.75/2,309,982.00 = 402,977.84/x
  3. Step 3: Cross multiply
    1,540,105.75x = 2,309,982.00 × 402,977.84
  4. Step 4: Simplify right side
    1,540,105.75x = 930,871,543,737.80
  5. Step 5: Solve for x
    x = 930,871,543,737.80/1,540,105.75
  6. Step 6: Final answer
    x = 604,420.54

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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.