Home / 1,205,108.46-1,807,654.86-306,542.52

Finding the Fourth Proportional to 1,205,108.46, 1,807,654.86 and 306,542.52

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Solution

The fourth proportional to 1,205,108.46, 1,807,654.86 and 306,542.52 is: 459,811.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,108.46 : 1,807,654.86 = 306,542.52 : x
  2. Step 2: Convert to fraction form
    1,205,108.46/1,807,654.86 = 306,542.52/x
  3. Step 3: Cross multiply
    1,205,108.46x = 1,807,654.86 × 306,542.52
  4. Step 4: Simplify right side
    1,205,108.46x = 554,123,076,074.65
  5. Step 5: Solve for x
    x = 554,123,076,074.65/1,205,108.46
  6. Step 6: Final answer
    x = 459,811.79

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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.