Home / 1,122,819.42-1,684,242.50-313,154.58

Finding the Fourth Proportional to 1,122,819.42, 1,684,242.50 and 313,154.58

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Solution

The fourth proportional to 1,122,819.42, 1,684,242.50 and 313,154.58 is: 469,735.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,819.42 : 1,684,242.50 = 313,154.58 : x
  2. Step 2: Convert to fraction form
    1,122,819.42/1,684,242.50 = 313,154.58/x
  3. Step 3: Cross multiply
    1,122,819.42x = 1,684,242.50 × 313,154.58
  4. Step 4: Simplify right side
    1,122,819.42x = 527,428,252,705.65
  5. Step 5: Solve for x
    x = 527,428,252,705.65/1,122,819.42
  6. Step 6: Final answer
    x = 469,735.60

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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.