Home / 1,484,576.10-2,226,645.45-419,725.80

Finding the Fourth Proportional to 1,484,576.10, 2,226,645.45 and 419,725.80

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Solution

The fourth proportional to 1,484,576.10, 2,226,645.45 and 419,725.80 is: 629,526.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484,576.10 : 2,226,645.45 = 419,725.80 : x
  2. Step 2: Convert to fraction form
    1,484,576.10/2,226,645.45 = 419,725.80/x
  3. Step 3: Cross multiply
    1,484,576.10x = 2,226,645.45 × 419,725.80
  4. Step 4: Simplify right side
    1,484,576.10x = 934,580,542,817.61
  5. Step 5: Solve for x
    x = 934,580,542,817.61/1,484,576.10
  6. Step 6: Final answer
    x = 629,526.87

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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.