Home / 1,427,682.40-1,970,167.80-783,096.88

Finding the Fourth Proportional to 1,427,682.40, 1,970,167.80 and 783,096.88

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Solution

The fourth proportional to 1,427,682.40, 1,970,167.80 and 783,096.88 is: 1,080,655.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,682.40 : 1,970,167.80 = 783,096.88 : x
  2. Step 2: Convert to fraction form
    1,427,682.40/1,970,167.80 = 783,096.88/x
  3. Step 3: Cross multiply
    1,427,682.40x = 1,970,167.80 × 783,096.88
  4. Step 4: Simplify right side
    1,427,682.40x = 1,542,832,257,256.46
  5. Step 5: Solve for x
    x = 1,542,832,257,256.46/1,427,682.40
  6. Step 6: Final answer
    x = 1,080,655.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.