Home / 802,278.17-1,200,704.72-780,688.52

Finding the Fourth Proportional to 802,278.17, 1,200,704.72 and 780,688.52

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Solution

The fourth proportional to 802,278.17, 1,200,704.72 and 780,688.52 is: 1,168,393.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,278.17 : 1,200,704.72 = 780,688.52 : x
  2. Step 2: Convert to fraction form
    802,278.17/1,200,704.72 = 780,688.52/x
  3. Step 3: Cross multiply
    802,278.17x = 1,200,704.72 × 780,688.52
  4. Step 4: Simplify right side
    802,278.17x = 937,376,380,906.85
  5. Step 5: Solve for x
    x = 937,376,380,906.85/802,278.17
  6. Step 6: Final answer
    x = 1,168,393.24

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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.