Home / 1,280,740.98-1,767,251.77-822,476.30

Finding the Fourth Proportional to 1,280,740.98, 1,767,251.77 and 822,476.30

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Solution

The fourth proportional to 1,280,740.98, 1,767,251.77 and 822,476.30 is: 1,134,907.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,740.98 : 1,767,251.77 = 822,476.30 : x
  2. Step 2: Convert to fraction form
    1,280,740.98/1,767,251.77 = 822,476.30/x
  3. Step 3: Cross multiply
    1,280,740.98x = 1,767,251.77 × 822,476.30
  4. Step 4: Simplify right side
    1,280,740.98x = 1,453,522,690,692.03
  5. Step 5: Solve for x
    x = 1,453,522,690,692.03/1,280,740.98
  6. Step 6: Final answer
    x = 1,134,907.61

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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.