Home / 1,108,039.20-1,661,572.80-508,801.20

Finding the Fourth Proportional to 1,108,039.20, 1,661,572.80 and 508,801.20

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Solution

The fourth proportional to 1,108,039.20, 1,661,572.80 and 508,801.20 is: 762,978.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,039.20 : 1,661,572.80 = 508,801.20 : x
  2. Step 2: Convert to fraction form
    1,108,039.20/1,661,572.80 = 508,801.20/x
  3. Step 3: Cross multiply
    1,108,039.20x = 1,661,572.80 × 508,801.20
  4. Step 4: Simplify right side
    1,108,039.20x = 845,410,234,527.36
  5. Step 5: Solve for x
    x = 845,410,234,527.36/1,108,039.20
  6. Step 6: Final answer
    x = 762,978.63

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1.5x scale

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.