Home / 1,200,692.90-1,796,665.35-885,764.90

Finding the Fourth Proportional to 1,200,692.90, 1,796,665.35 and 885,764.90

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Solution

The fourth proportional to 1,200,692.90, 1,796,665.35 and 885,764.90 is: 1,325,420.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,692.90 : 1,796,665.35 = 885,764.90 : x
  2. Step 2: Convert to fraction form
    1,200,692.90/1,796,665.35 = 885,764.90/x
  3. Step 3: Cross multiply
    1,200,692.90x = 1,796,665.35 × 885,764.90
  4. Step 4: Simplify right side
    1,200,692.90x = 1,591,423,104,076.22
  5. Step 5: Solve for x
    x = 1,591,423,104,076.22/1,200,692.90
  6. Step 6: Final answer
    x = 1,325,420.60

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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.