Home / 1,129,763.58-1,694,878.65-331,071.18

Finding the Fourth Proportional to 1,129,763.58, 1,694,878.65 and 331,071.18

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Solution

The fourth proportional to 1,129,763.58, 1,694,878.65 and 331,071.18 is: 496,675.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,763.58 : 1,694,878.65 = 331,071.18 : x
  2. Step 2: Convert to fraction form
    1,129,763.58/1,694,878.65 = 331,071.18/x
  3. Step 3: Cross multiply
    1,129,763.58x = 1,694,878.65 × 331,071.18
  4. Step 4: Simplify right side
    1,129,763.58x = 561,125,474,612.31
  5. Step 5: Solve for x
    x = 561,125,474,612.31/1,129,763.58
  6. Step 6: Final answer
    x = 496,675.13

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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.