Home / 1,027,961.31-1,415,418.10-913,040.26

Finding the Fourth Proportional to 1,027,961.31, 1,415,418.10 and 913,040.26

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Solution

The fourth proportional to 1,027,961.31, 1,415,418.10 and 913,040.26 is: 1,257,181.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,961.31 : 1,415,418.10 = 913,040.26 : x
  2. Step 2: Convert to fraction form
    1,027,961.31/1,415,418.10 = 913,040.26/x
  3. Step 3: Cross multiply
    1,027,961.31x = 1,415,418.10 × 913,040.26
  4. Step 4: Simplify right side
    1,027,961.31x = 1,292,333,710,032.71
  5. Step 5: Solve for x
    x = 1,292,333,710,032.71/1,027,961.31
  6. Step 6: Final answer
    x = 1,257,181.27

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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.