Home / 1,336,342.32-2,004,808.32-389,787.12

Finding the Fourth Proportional to 1,336,342.32, 2,004,808.32 and 389,787.12

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Solution

The fourth proportional to 1,336,342.32, 2,004,808.32 and 389,787.12 is: 584,766.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,342.32 : 2,004,808.32 = 389,787.12 : x
  2. Step 2: Convert to fraction form
    1,336,342.32/2,004,808.32 = 389,787.12/x
  3. Step 3: Cross multiply
    1,336,342.32x = 2,004,808.32 × 389,787.12
  4. Step 4: Simplify right side
    1,336,342.32x = 781,448,461,204.84
  5. Step 5: Solve for x
    x = 781,448,461,204.84/1,336,342.32
  6. Step 6: Final answer
    x = 584,766.68

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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.