Home / 856,820.84-1,286,832.07-754,274.52

Finding the Fourth Proportional to 856,820.84, 1,286,832.07 and 754,274.52

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Solution

The fourth proportional to 856,820.84, 1,286,832.07 and 754,274.52 is: 1,132,821.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,820.84 : 1,286,832.07 = 754,274.52 : x
  2. Step 2: Convert to fraction form
    856,820.84/1,286,832.07 = 754,274.52/x
  3. Step 3: Cross multiply
    856,820.84x = 1,286,832.07 × 754,274.52
  4. Step 4: Simplify right side
    856,820.84x = 970,624,646,481.92
  5. Step 5: Solve for x
    x = 970,624,646,481.92/856,820.84
  6. Step 6: Final answer
    x = 1,132,821.01

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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.