Home / 1,491,053.36-2,058,867.10-1,215,454.46

Finding the Fourth Proportional to 1,491,053.36, 2,058,867.10 and 1,215,454.46

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Solution

The fourth proportional to 1,491,053.36, 2,058,867.10 and 1,215,454.46 is: 1,678,316.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,053.36 : 2,058,867.10 = 1,215,454.46 : x
  2. Step 2: Convert to fraction form
    1,491,053.36/2,058,867.10 = 1,215,454.46/x
  3. Step 3: Cross multiply
    1,491,053.36x = 2,058,867.10 × 1,215,454.46
  4. Step 4: Simplify right side
    1,491,053.36x = 2,502,459,182,870.66
  5. Step 5: Solve for x
    x = 2,502,459,182,870.66/1,491,053.36
  6. Step 6: Final answer
    x = 1,678,316.32

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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.