Home / 1,180,811.20-1,770,779.40-382,118.80

Finding the Fourth Proportional to 1,180,811.20, 1,770,779.40 and 382,118.80

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Solution

The fourth proportional to 1,180,811.20, 1,770,779.40 and 382,118.80 is: 573,036.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,811.20 : 1,770,779.40 = 382,118.80 : x
  2. Step 2: Convert to fraction form
    1,180,811.20/1,770,779.40 = 382,118.80/x
  3. Step 3: Cross multiply
    1,180,811.20x = 1,770,779.40 × 382,118.80
  4. Step 4: Simplify right side
    1,180,811.20x = 676,648,099,392.72
  5. Step 5: Solve for x
    x = 676,648,099,392.72/1,180,811.20
  6. Step 6: Final answer
    x = 573,036.65

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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.