Home / 1,233,876.78-1,850,127.45-380,706.21

Finding the Fourth Proportional to 1,233,876.78, 1,850,127.45 and 380,706.21

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Solution

The fourth proportional to 1,233,876.78, 1,850,127.45 and 380,706.21 is: 570,847.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233,876.78 : 1,850,127.45 = 380,706.21 : x
  2. Step 2: Convert to fraction form
    1,233,876.78/1,850,127.45 = 380,706.21/x
  3. Step 3: Cross multiply
    1,233,876.78x = 1,850,127.45 × 380,706.21
  4. Step 4: Simplify right side
    1,233,876.78x = 704,355,009,506.47
  5. Step 5: Solve for x
    x = 704,355,009,506.47/1,233,876.78
  6. Step 6: Final answer
    x = 570,847.12

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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.