Home / 1,293,083.52-1,783,972.56-1,291,090.08

Finding the Fourth Proportional to 1,293,083.52, 1,783,972.56 and 1,291,090.08

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Solution

The fourth proportional to 1,293,083.52, 1,783,972.56 and 1,291,090.08 is: 1,781,222.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,083.52 : 1,783,972.56 = 1,291,090.08 : x
  2. Step 2: Convert to fraction form
    1,293,083.52/1,783,972.56 = 1,291,090.08/x
  3. Step 3: Cross multiply
    1,293,083.52x = 1,783,972.56 × 1,291,090.08
  4. Step 4: Simplify right side
    1,293,083.52x = 2,303,269,275,208.21
  5. Step 5: Solve for x
    x = 2,303,269,275,208.21/1,293,083.52
  6. Step 6: Final answer
    x = 1,781,222.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.