Home / 1,080,770.78-1,621,189.20-370,788.86

Finding the Fourth Proportional to 1,080,770.78, 1,621,189.20 and 370,788.86

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Solution

The fourth proportional to 1,080,770.78, 1,621,189.20 and 370,788.86 is: 556,194.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,770.78 : 1,621,189.20 = 370,788.86 : x
  2. Step 2: Convert to fraction form
    1,080,770.78/1,621,189.20 = 370,788.86/x
  3. Step 3: Cross multiply
    1,080,770.78x = 1,621,189.20 × 370,788.86
  4. Step 4: Simplify right side
    1,080,770.78x = 601,118,895,312.31
  5. Step 5: Solve for x
    x = 601,118,895,312.31/1,080,770.78
  6. Step 6: Final answer
    x = 556,194.62

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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.