Home / 1,242,557.82-1,863,618.03-331,751.60

Finding the Fourth Proportional to 1,242,557.82, 1,863,618.03 and 331,751.60

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Solution

The fourth proportional to 1,242,557.82, 1,863,618.03 and 331,751.60 is: 497,569.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,557.82 : 1,863,618.03 = 331,751.60 : x
  2. Step 2: Convert to fraction form
    1,242,557.82/1,863,618.03 = 331,751.60/x
  3. Step 3: Cross multiply
    1,242,557.82x = 1,863,618.03 × 331,751.60
  4. Step 4: Simplify right side
    1,242,557.82x = 618,258,260,911.83
  5. Step 5: Solve for x
    x = 618,258,260,911.83/1,242,557.82
  6. Step 6: Final answer
    x = 497,569.01

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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.