Home / 1,299,720.50-1,950,042.45-579,996.72

Finding the Fourth Proportional to 1,299,720.50, 1,950,042.45 and 579,996.72

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Solution

The fourth proportional to 1,299,720.50, 1,950,042.45 and 579,996.72 is: 870,201.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,720.50 : 1,950,042.45 = 579,996.72 : x
  2. Step 2: Convert to fraction form
    1,299,720.50/1,950,042.45 = 579,996.72/x
  3. Step 3: Cross multiply
    1,299,720.50x = 1,950,042.45 × 579,996.72
  4. Step 4: Simplify right side
    1,299,720.50x = 1,131,018,234,348.41
  5. Step 5: Solve for x
    x = 1,131,018,234,348.41/1,299,720.50
  6. Step 6: Final answer
    x = 870,201.12

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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.