Home / 1,728,013.80-2,588,715.90-929,029.80

Finding the Fourth Proportional to 1,728,013.80, 2,588,715.90 and 929,029.80

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Solution

The fourth proportional to 1,728,013.80, 2,588,715.90 and 929,029.80 is: 1,391,767.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,013.80 : 2,588,715.90 = 929,029.80 : x
  2. Step 2: Convert to fraction form
    1,728,013.80/2,588,715.90 = 929,029.80/x
  3. Step 3: Cross multiply
    1,728,013.80x = 2,588,715.90 × 929,029.80
  4. Step 4: Simplify right side
    1,728,013.80x = 2,404,994,214,833.82
  5. Step 5: Solve for x
    x = 2,404,994,214,833.82/1,728,013.80
  6. Step 6: Final answer
    x = 1,391,767.94

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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.