Home / 1,087,800.52-1,500,745.98-802,000.12

Finding the Fourth Proportional to 1,087,800.52, 1,500,745.98 and 802,000.12

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Solution

The fourth proportional to 1,087,800.52, 1,500,745.98 and 802,000.12 is: 1,106,451.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,800.52 : 1,500,745.98 = 802,000.12 : x
  2. Step 2: Convert to fraction form
    1,087,800.52/1,500,745.98 = 802,000.12/x
  3. Step 3: Cross multiply
    1,087,800.52x = 1,500,745.98 × 802,000.12
  4. Step 4: Simplify right side
    1,087,800.52x = 1,203,598,456,049.52
  5. Step 5: Solve for x
    x = 1,203,598,456,049.52/1,087,800.52
  6. Step 6: Final answer
    x = 1,106,451.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.