Home / 1,307,228.22-1,961,157.56-454,175.73

Finding the Fourth Proportional to 1,307,228.22, 1,961,157.56 and 454,175.73

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Solution

The fourth proportional to 1,307,228.22, 1,961,157.56 and 454,175.73 is: 681,373.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,228.22 : 1,961,157.56 = 454,175.73 : x
  2. Step 2: Convert to fraction form
    1,307,228.22/1,961,157.56 = 454,175.73/x
  3. Step 3: Cross multiply
    1,307,228.22x = 1,961,157.56 × 454,175.73
  4. Step 4: Simplify right side
    1,307,228.22x = 890,710,164,187.14
  5. Step 5: Solve for x
    x = 890,710,164,187.14/1,307,228.22
  6. Step 6: Final answer
    x = 681,373.11

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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.