Home / 1,491,053.86-2,058,867.78-1,215,454.95

Finding the Fourth Proportional to 1,491,053.86, 2,058,867.78 and 1,215,454.95

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Solution

The fourth proportional to 1,491,053.86, 2,058,867.78 and 1,215,454.95 is: 1,678,317.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,053.86 : 2,058,867.78 = 1,215,454.95 : x
  2. Step 2: Convert to fraction form
    1,491,053.86/2,058,867.78 = 1,215,454.95/x
  3. Step 3: Cross multiply
    1,491,053.86x = 2,058,867.78 × 1,215,454.95
  4. Step 4: Simplify right side
    1,491,053.86x = 2,502,461,034,596.51
  5. Step 5: Solve for x
    x = 2,502,461,034,596.51/1,491,053.86
  6. Step 6: Final answer
    x = 1,678,317.00

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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.