Home / 1,028,073.72-1,541,814.66-354,127.80

Finding the Fourth Proportional to 1,028,073.72, 1,541,814.66 and 354,127.80

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Solution

The fourth proportional to 1,028,073.72, 1,541,814.66 and 354,127.80 is: 531,089.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,073.72 : 1,541,814.66 = 354,127.80 : x
  2. Step 2: Convert to fraction form
    1,028,073.72/1,541,814.66 = 354,127.80/x
  3. Step 3: Cross multiply
    1,028,073.72x = 1,541,814.66 × 354,127.80
  4. Step 4: Simplify right side
    1,028,073.72x = 545,999,433,553.55
  5. Step 5: Solve for x
    x = 545,999,433,553.55/1,028,073.72
  6. Step 6: Final answer
    x = 531,089.77

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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.