Home / 1,282,478.20-1,922,745.30-651,844.60

Finding the Fourth Proportional to 1,282,478.20, 1,922,745.30 and 651,844.60

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Solution

The fourth proportional to 1,282,478.20, 1,922,745.30 and 651,844.60 is: 977,272.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,478.20 : 1,922,745.30 = 651,844.60 : x
  2. Step 2: Convert to fraction form
    1,282,478.20/1,922,745.30 = 651,844.60/x
  3. Step 3: Cross multiply
    1,282,478.20x = 1,922,745.30 × 651,844.60
  4. Step 4: Simplify right side
    1,282,478.20x = 1,253,331,140,980.38
  5. Step 5: Solve for x
    x = 1,253,331,140,980.38/1,282,478.20
  6. Step 6: Final answer
    x = 977,272.86

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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.