Home / 834,260.75-1,240,659.15-807,688.43

Finding the Fourth Proportional to 834,260.75, 1,240,659.15 and 807,688.43

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Solution

The fourth proportional to 834,260.75, 1,240,659.15 and 807,688.43 is: 1,201,142.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,260.75 : 1,240,659.15 = 807,688.43 : x
  2. Step 2: Convert to fraction form
    834,260.75/1,240,659.15 = 807,688.43/x
  3. Step 3: Cross multiply
    834,260.75x = 1,240,659.15 × 807,688.43
  4. Step 4: Simplify right side
    834,260.75x = 1,002,066,041,028.63
  5. Step 5: Solve for x
    x = 1,002,066,041,028.63/834,260.75
  6. Step 6: Final answer
    x = 1,201,142.50

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.