Home / 1,491,163.78-2,057,864.27-846,643.95

Finding the Fourth Proportional to 1,491,163.78, 2,057,864.27 and 846,643.95

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Solution

The fourth proportional to 1,491,163.78, 2,057,864.27 and 846,643.95 is: 1,168,401.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,163.78 : 2,057,864.27 = 846,643.95 : x
  2. Step 2: Convert to fraction form
    1,491,163.78/2,057,864.27 = 846,643.95/x
  3. Step 3: Cross multiply
    1,491,163.78x = 2,057,864.27 × 846,643.95
  4. Step 4: Simplify right side
    1,491,163.78x = 1,742,278,334,116.67
  5. Step 5: Solve for x
    x = 1,742,278,334,116.67/1,491,163.78
  6. Step 6: Final answer
    x = 1,168,401.73

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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.