Home / 1,080,259.08-1,620,734.78-756,384.54

Finding the Fourth Proportional to 1,080,259.08, 1,620,734.78 and 756,384.54

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Solution

The fourth proportional to 1,080,259.08, 1,620,734.78 and 756,384.54 is: 1,134,819.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,259.08 : 1,620,734.78 = 756,384.54 : x
  2. Step 2: Convert to fraction form
    1,080,259.08/1,620,734.78 = 756,384.54/x
  3. Step 3: Cross multiply
    1,080,259.08x = 1,620,734.78 × 756,384.54
  4. Step 4: Simplify right side
    1,080,259.08x = 1,225,898,739,304.99
  5. Step 5: Solve for x
    x = 1,225,898,739,304.99/1,080,259.08
  6. Step 6: Final answer
    x = 1,134,819.19

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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.