Home / 1,206,522.18-1,664,235.45-741,172.32

Finding the Fourth Proportional to 1,206,522.18, 1,664,235.45 and 741,172.32

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Solution

The fourth proportional to 1,206,522.18, 1,664,235.45 and 741,172.32 is: 1,022,347.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,522.18 : 1,664,235.45 = 741,172.32 : x
  2. Step 2: Convert to fraction form
    1,206,522.18/1,664,235.45 = 741,172.32/x
  3. Step 3: Cross multiply
    1,206,522.18x = 1,664,235.45 × 741,172.32
  4. Step 4: Simplify right side
    1,206,522.18x = 1,233,485,249,502.74
  5. Step 5: Solve for x
    x = 1,233,485,249,502.74/1,206,522.18
  6. Step 6: Final answer
    x = 1,022,347.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.