Home / 1,129,735.32-1,694,601.90-288,286.98

Finding the Fourth Proportional to 1,129,735.32, 1,694,601.90 and 288,286.98

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Solution

The fourth proportional to 1,129,735.32, 1,694,601.90 and 288,286.98 is: 432,430.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,735.32 : 1,694,601.90 = 288,286.98 : x
  2. Step 2: Convert to fraction form
    1,129,735.32/1,694,601.90 = 288,286.98/x
  3. Step 3: Cross multiply
    1,129,735.32x = 1,694,601.90 × 288,286.98
  4. Step 4: Simplify right side
    1,129,735.32x = 488,531,664,053.26
  5. Step 5: Solve for x
    x = 488,531,664,053.26/1,129,735.32
  6. Step 6: Final answer
    x = 432,430.19

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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.