Home / 1,491,273.32-2,058,100.26-918,648.68

Finding the Fourth Proportional to 1,491,273.32, 2,058,100.26 and 918,648.68

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Solution

The fourth proportional to 1,491,273.32, 2,058,100.26 and 918,648.68 is: 1,267,823.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,273.32 : 2,058,100.26 = 918,648.68 : x
  2. Step 2: Convert to fraction form
    1,491,273.32/2,058,100.26 = 918,648.68/x
  3. Step 3: Cross multiply
    1,491,273.32x = 2,058,100.26 × 918,648.68
  4. Step 4: Simplify right side
    1,491,273.32x = 1,890,671,087,156.66
  5. Step 5: Solve for x
    x = 1,890,671,087,156.66/1,491,273.32
  6. Step 6: Final answer
    x = 1,267,823.32

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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.