Home / 1,355,964.45-2,033,888.36-409,306.92

Finding the Fourth Proportional to 1,355,964.45, 2,033,888.36 and 409,306.92

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Solution

The fourth proportional to 1,355,964.45, 2,033,888.36 and 409,306.92 is: 613,942.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,964.45 : 2,033,888.36 = 409,306.92 : x
  2. Step 2: Convert to fraction form
    1,355,964.45/2,033,888.36 = 409,306.92/x
  3. Step 3: Cross multiply
    1,355,964.45x = 2,033,888.36 × 409,306.92
  4. Step 4: Simplify right side
    1,355,964.45x = 832,484,583,173.63
  5. Step 5: Solve for x
    x = 832,484,583,173.63/1,355,964.45
  6. Step 6: Final answer
    x = 613,942.78

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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.