Home / 1,208,015.99-1,665,692.44-771,857.11

Finding the Fourth Proportional to 1,208,015.99, 1,665,692.44 and 771,857.11

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Solution

The fourth proportional to 1,208,015.99, 1,665,692.44 and 771,857.11 is: 1,064,287.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,015.99 : 1,665,692.44 = 771,857.11 : x
  2. Step 2: Convert to fraction form
    1,208,015.99/1,665,692.44 = 771,857.11/x
  3. Step 3: Cross multiply
    1,208,015.99x = 1,665,692.44 × 771,857.11
  4. Step 4: Simplify right side
    1,208,015.99x = 1,285,676,552,887.25
  5. Step 5: Solve for x
    x = 1,285,676,552,887.25/1,208,015.99
  6. Step 6: Final answer
    x = 1,064,287.69

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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.