Home / 1,276,310.80-1,914,466.20-646,454.80

Finding the Fourth Proportional to 1,276,310.80, 1,914,466.20 and 646,454.80

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Solution

The fourth proportional to 1,276,310.80, 1,914,466.20 and 646,454.80 is: 969,682.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,310.80 : 1,914,466.20 = 646,454.80 : x
  2. Step 2: Convert to fraction form
    1,276,310.80/1,914,466.20 = 646,454.80/x
  3. Step 3: Cross multiply
    1,276,310.80x = 1,914,466.20 × 646,454.80
  4. Step 4: Simplify right side
    1,276,310.80x = 1,237,615,864,427.76
  5. Step 5: Solve for x
    x = 1,237,615,864,427.76/1,276,310.80
  6. Step 6: Final answer
    x = 969,682.20

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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.