Home / 1,102,800.32-1,522,442.56-742,120.64

Finding the Fourth Proportional to 1,102,800.32, 1,522,442.56 and 742,120.64

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Solution

The fourth proportional to 1,102,800.32, 1,522,442.56 and 742,120.64 is: 1,024,515.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,800.32 : 1,522,442.56 = 742,120.64 : x
  2. Step 2: Convert to fraction form
    1,102,800.32/1,522,442.56 = 742,120.64/x
  3. Step 3: Cross multiply
    1,102,800.32x = 1,522,442.56 × 742,120.64
  4. Step 4: Simplify right side
    1,102,800.32x = 1,129,836,046,990.44
  5. Step 5: Solve for x
    x = 1,129,836,046,990.44/1,102,800.32
  6. Step 6: Final answer
    x = 1,024,515.52

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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.