Home / 1,355,417.31-2,033,140.54-408,796.23

Finding the Fourth Proportional to 1,355,417.31, 2,033,140.54 and 408,796.23

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Solution

The fourth proportional to 1,355,417.31, 2,033,140.54 and 408,796.23 is: 613,198.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,417.31 : 2,033,140.54 = 408,796.23 : x
  2. Step 2: Convert to fraction form
    1,355,417.31/2,033,140.54 = 408,796.23/x
  3. Step 3: Cross multiply
    1,355,417.31x = 2,033,140.54 × 408,796.23
  4. Step 4: Simplify right side
    1,355,417.31x = 831,140,187,812.16
  5. Step 5: Solve for x
    x = 831,140,187,812.16/1,355,417.31
  6. Step 6: Final answer
    x = 613,198.74

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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.