Home / 1,380,625.92-2,071,200-539,124.48

Finding the Fourth Proportional to 1,380,625.92, 2,071,200 and 539,124.48

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Solution

The fourth proportional to 1,380,625.92, 2,071,200 and 539,124.48 is: 808,788.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,625.92 : 2,071,200 = 539,124.48 : x
  2. Step 2: Convert to fraction form
    1,380,625.92/2,071,200 = 539,124.48/x
  3. Step 3: Cross multiply
    1,380,625.92x = 2,071,200 × 539,124.48
  4. Step 4: Simplify right side
    1,380,625.92x = 1,116,634,622,976
  5. Step 5: Solve for x
    x = 1,116,634,622,976/1,380,625.92
  6. Step 6: Final answer
    x = 808,788.69

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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.