Home / 1,271,632.76-1,907,371.91-451,012.04

Finding the Fourth Proportional to 1,271,632.76, 1,907,371.91 and 451,012.04

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Solution

The fourth proportional to 1,271,632.76, 1,907,371.91 and 451,012.04 is: 676,490.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,632.76 : 1,907,371.91 = 451,012.04 : x
  2. Step 2: Convert to fraction form
    1,271,632.76/1,907,371.91 = 451,012.04/x
  3. Step 3: Cross multiply
    1,271,632.76x = 1,907,371.91 × 451,012.04
  4. Step 4: Simplify right side
    1,271,632.76x = 860,247,689,144.31
  5. Step 5: Solve for x
    x = 860,247,689,144.31/1,271,632.76
  6. Step 6: Final answer
    x = 676,490.66

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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.