Home / 1,337,136.80-2,005,709.52-339,864.80

Finding the Fourth Proportional to 1,337,136.80, 2,005,709.52 and 339,864.80

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Solution

The fourth proportional to 1,337,136.80, 2,005,709.52 and 339,864.80 is: 509,798.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,136.80 : 2,005,709.52 = 339,864.80 : x
  2. Step 2: Convert to fraction form
    1,337,136.80/2,005,709.52 = 339,864.80/x
  3. Step 3: Cross multiply
    1,337,136.80x = 2,005,709.52 × 339,864.80
  4. Step 4: Simplify right side
    1,337,136.80x = 681,670,064,872.90
  5. Step 5: Solve for x
    x = 681,670,064,872.90/1,337,136.80
  6. Step 6: Final answer
    x = 509,798.30

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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.