Home / 1,427,371.02-1,969,798.86-782,752.68

Finding the Fourth Proportional to 1,427,371.02, 1,969,798.86 and 782,752.68

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Solution

The fourth proportional to 1,427,371.02, 1,969,798.86 and 782,752.68 is: 1,080,213.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,371.02 : 1,969,798.86 = 782,752.68 : x
  2. Step 2: Convert to fraction form
    1,427,371.02/1,969,798.86 = 782,752.68/x
  3. Step 3: Cross multiply
    1,427,371.02x = 1,969,798.86 × 782,752.68
  4. Step 4: Simplify right side
    1,427,371.02x = 1,541,865,336,725.95
  5. Step 5: Solve for x
    x = 1,541,865,336,725.95/1,427,371.02
  6. Step 6: Final answer
    x = 1,080,213.42

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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.