Home / 1,280,733.83-1,921,100.74-482,194.52

Finding the Fourth Proportional to 1,280,733.83, 1,921,100.74 and 482,194.52

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Solution

The fourth proportional to 1,280,733.83, 1,921,100.74 and 482,194.52 is: 723,291.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,733.83 : 1,921,100.74 = 482,194.52 : x
  2. Step 2: Convert to fraction form
    1,280,733.83/1,921,100.74 = 482,194.52/x
  3. Step 3: Cross multiply
    1,280,733.83x = 1,921,100.74 × 482,194.52
  4. Step 4: Simplify right side
    1,280,733.83x = 926,344,238,384.96
  5. Step 5: Solve for x
    x = 926,344,238,384.96/1,280,733.83
  6. Step 6: Final answer
    x = 723,291.77

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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.