Home / 1,117,639.54-1,676,442.92-276,191.30

Finding the Fourth Proportional to 1,117,639.54, 1,676,442.92 and 276,191.30

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Solution

The fourth proportional to 1,117,639.54, 1,676,442.92 and 276,191.30 is: 414,282.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,639.54 : 1,676,442.92 = 276,191.30 : x
  2. Step 2: Convert to fraction form
    1,117,639.54/1,676,442.92 = 276,191.30/x
  3. Step 3: Cross multiply
    1,117,639.54x = 1,676,442.92 × 276,191.30
  4. Step 4: Simplify right side
    1,117,639.54x = 463,018,949,450.60
  5. Step 5: Solve for x
    x = 463,018,949,450.60/1,117,639.54
  6. Step 6: Final answer
    x = 414,282.90

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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.