Home / 1,229,080.20-1,843,620.30-1,019,128.20

Finding the Fourth Proportional to 1,229,080.20, 1,843,620.30 and 1,019,128.20

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Solution

The fourth proportional to 1,229,080.20, 1,843,620.30 and 1,019,128.20 is: 1,528,692.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,080.20 : 1,843,620.30 = 1,019,128.20 : x
  2. Step 2: Convert to fraction form
    1,229,080.20/1,843,620.30 = 1,019,128.20/x
  3. Step 3: Cross multiply
    1,229,080.20x = 1,843,620.30 × 1,019,128.20
  4. Step 4: Simplify right side
    1,229,080.20x = 1,878,885,437,822.46
  5. Step 5: Solve for x
    x = 1,878,885,437,822.46/1,229,080.20
  6. Step 6: Final answer
    x = 1,528,692.30

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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.