Home / 1,427,504.11-1,970,005.86-782,926.86

Finding the Fourth Proportional to 1,427,504.11, 1,970,005.86 and 782,926.86

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Solution

The fourth proportional to 1,427,504.11, 1,970,005.86 and 782,926.86 is: 1,080,466.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,504.11 : 1,970,005.86 = 782,926.86 : x
  2. Step 2: Convert to fraction form
    1,427,504.11/1,970,005.86 = 782,926.86/x
  3. Step 3: Cross multiply
    1,427,504.11x = 1,970,005.86 × 782,926.86
  4. Step 4: Simplify right side
    1,427,504.11x = 1,542,370,509,538.92
  5. Step 5: Solve for x
    x = 1,542,370,509,538.92/1,427,504.11
  6. Step 6: Final answer
    x = 1,080,466.60

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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.