Home / 1,283,744.92-1,925,639.25-485,402.44

Finding the Fourth Proportional to 1,283,744.92, 1,925,639.25 and 485,402.44

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Solution

The fourth proportional to 1,283,744.92, 1,925,639.25 and 485,402.44 is: 728,111.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,744.92 : 1,925,639.25 = 485,402.44 : x
  2. Step 2: Convert to fraction form
    1,283,744.92/1,925,639.25 = 485,402.44/x
  3. Step 3: Cross multiply
    1,283,744.92x = 1,925,639.25 × 485,402.44
  4. Step 4: Simplify right side
    1,283,744.92x = 934,709,990,509.77
  5. Step 5: Solve for x
    x = 934,709,990,509.77/1,283,744.92
  6. Step 6: Final answer
    x = 728,111.93

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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.