Home / 1,265,695.88-1,899,856.07-847,891.40

Finding the Fourth Proportional to 1,265,695.88, 1,899,856.07 and 847,891.40

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Solution

The fourth proportional to 1,265,695.88, 1,899,856.07 and 847,891.40 is: 1,272,716.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,695.88 : 1,899,856.07 = 847,891.40 : x
  2. Step 2: Convert to fraction form
    1,265,695.88/1,899,856.07 = 847,891.40/x
  3. Step 3: Cross multiply
    1,265,695.88x = 1,899,856.07 × 847,891.40
  4. Step 4: Simplify right side
    1,265,695.88x = 1,610,871,622,990.80
  5. Step 5: Solve for x
    x = 1,610,871,622,990.80/1,265,695.88
  6. Step 6: Final answer
    x = 1,272,716.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.