Home / 1,080,060.30-1,620,090.45-779,906.70

Finding the Fourth Proportional to 1,080,060.30, 1,620,090.45 and 779,906.70

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Solution

The fourth proportional to 1,080,060.30, 1,620,090.45 and 779,906.70 is: 1,169,860.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,060.30 : 1,620,090.45 = 779,906.70 : x
  2. Step 2: Convert to fraction form
    1,080,060.30/1,620,090.45 = 779,906.70/x
  3. Step 3: Cross multiply
    1,080,060.30x = 1,620,090.45 × 779,906.70
  4. Step 4: Simplify right side
    1,080,060.30x = 1,263,519,396,561.01
  5. Step 5: Solve for x
    x = 1,263,519,396,561.01/1,080,060.30
  6. Step 6: Final answer
    x = 1,169,860.05

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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.