Home / 1,109,956.80-1,664,747.40-311,054.49

Finding the Fourth Proportional to 1,109,956.80, 1,664,747.40 and 311,054.49

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Solution

The fourth proportional to 1,109,956.80, 1,664,747.40 and 311,054.49 is: 466,529.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,956.80 : 1,664,747.40 = 311,054.49 : x
  2. Step 2: Convert to fraction form
    1,109,956.80/1,664,747.40 = 311,054.49/x
  3. Step 3: Cross multiply
    1,109,956.80x = 1,664,747.40 × 311,054.49
  4. Step 4: Simplify right side
    1,109,956.80x = 517,827,153,485.83
  5. Step 5: Solve for x
    x = 517,827,153,485.83/1,109,956.80
  6. Step 6: Final answer
    x = 466,529.11

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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.