Home / 1,298,984.40-1,948,476.60-851,086.80

Finding the Fourth Proportional to 1,298,984.40, 1,948,476.60 and 851,086.80

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Solution

The fourth proportional to 1,298,984.40, 1,948,476.60 and 851,086.80 is: 1,276,630.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,984.40 : 1,948,476.60 = 851,086.80 : x
  2. Step 2: Convert to fraction form
    1,298,984.40/1,948,476.60 = 851,086.80/x
  3. Step 3: Cross multiply
    1,298,984.40x = 1,948,476.60 × 851,086.80
  4. Step 4: Simplify right side
    1,298,984.40x = 1,658,322,714,368.88
  5. Step 5: Solve for x
    x = 1,658,322,714,368.88/1,298,984.40
  6. Step 6: Final answer
    x = 1,276,630.20

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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.