Home / 1,283,737.91-1,925,628.75-485,395.43

Finding the Fourth Proportional to 1,283,737.91, 1,925,628.75 and 485,395.43

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Solution

The fourth proportional to 1,283,737.91, 1,925,628.75 and 485,395.43 is: 728,101.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,737.91 : 1,925,628.75 = 485,395.43 : x
  2. Step 2: Convert to fraction form
    1,283,737.91/1,925,628.75 = 485,395.43/x
  3. Step 3: Cross multiply
    1,283,737.91x = 1,925,628.75 × 485,395.43
  4. Step 4: Simplify right side
    1,283,737.91x = 934,691,385,498.47
  5. Step 5: Solve for x
    x = 934,691,385,498.47/1,283,737.91
  6. Step 6: Final answer
    x = 728,101.42

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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.