Home / 1,491,658.43-2,058,434.19-911,852.64

Finding the Fourth Proportional to 1,491,658.43, 2,058,434.19 and 911,852.64

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Solution

The fourth proportional to 1,491,658.43, 2,058,434.19 and 911,852.64 is: 1,258,323.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,658.43 : 2,058,434.19 = 911,852.64 : x
  2. Step 2: Convert to fraction form
    1,491,658.43/2,058,434.19 = 911,852.64/x
  3. Step 3: Cross multiply
    1,491,658.43x = 2,058,434.19 × 911,852.64
  4. Step 4: Simplify right side
    1,491,658.43x = 1,876,988,650,417.76
  5. Step 5: Solve for x
    x = 1,876,988,650,417.76/1,491,658.43
  6. Step 6: Final answer
    x = 1,258,323.37

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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.