Home / 1,129,600.40-1,694,389.80-276,675.80

Finding the Fourth Proportional to 1,129,600.40, 1,694,389.80 and 276,675.80

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Solution

The fourth proportional to 1,129,600.40, 1,694,389.80 and 276,675.80 is: 415,011.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,600.40 : 1,694,389.80 = 276,675.80 : x
  2. Step 2: Convert to fraction form
    1,129,600.40/1,694,389.80 = 276,675.80/x
  3. Step 3: Cross multiply
    1,129,600.40x = 1,694,389.80 × 276,675.80
  4. Step 4: Simplify right side
    1,129,600.40x = 468,796,653,426.84
  5. Step 5: Solve for x
    x = 468,796,653,426.84/1,129,600.40
  6. Step 6: Final answer
    x = 415,011.05

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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.