Home / 1,355,949.40-2,033,935.44-345,072.64

Finding the Fourth Proportional to 1,355,949.40, 2,033,935.44 and 345,072.64

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Solution

The fourth proportional to 1,355,949.40, 2,033,935.44 and 345,072.64 is: 517,611.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,949.40 : 2,033,935.44 = 345,072.64 : x
  2. Step 2: Convert to fraction form
    1,355,949.40/2,033,935.44 = 345,072.64/x
  3. Step 3: Cross multiply
    1,355,949.40x = 2,033,935.44 × 345,072.64
  4. Step 4: Simplify right side
    1,355,949.40x = 701,855,471,870.36
  5. Step 5: Solve for x
    x = 701,855,471,870.36/1,355,949.40
  6. Step 6: Final answer
    x = 517,611.85

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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.