Home / 1,129,766.94-1,694,649-288,318.72

Finding the Fourth Proportional to 1,129,766.94, 1,694,649 and 288,318.72

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Solution

The fourth proportional to 1,129,766.94, 1,694,649 and 288,318.72 is: 432,477.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,766.94 : 1,694,649 = 288,318.72 : x
  2. Step 2: Convert to fraction form
    1,129,766.94/1,694,649 = 288,318.72/x
  3. Step 3: Cross multiply
    1,129,766.94x = 1,694,649 × 288,318.72
  4. Step 4: Simplify right side
    1,129,766.94x = 488,599,030,529.28
  5. Step 5: Solve for x
    x = 488,599,030,529.28/1,129,766.94
  6. Step 6: Final answer
    x = 432,477.72

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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.