Home / 1,355,417.81-2,033,141.29-408,796.73

Finding the Fourth Proportional to 1,355,417.81, 2,033,141.29 and 408,796.73

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Solution

The fourth proportional to 1,355,417.81, 2,033,141.29 and 408,796.73 is: 613,199.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,417.81 : 2,033,141.29 = 408,796.73 : x
  2. Step 2: Convert to fraction form
    1,355,417.81/2,033,141.29 = 408,796.73/x
  3. Step 3: Cross multiply
    1,355,417.81x = 2,033,141.29 × 408,796.73
  4. Step 4: Simplify right side
    1,355,417.81x = 831,141,510,979.98
  5. Step 5: Solve for x
    x = 831,141,510,979.98/1,355,417.81
  6. Step 6: Final answer
    x = 613,199.49

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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.