Home / 1,427,159-1,969,539.18-782,604.02

Finding the Fourth Proportional to 1,427,159, 1,969,539.18 and 782,604.02

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Solution

The fourth proportional to 1,427,159, 1,969,539.18 and 782,604.02 is: 1,080,026.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,159 : 1,969,539.18 = 782,604.02 : x
  2. Step 2: Convert to fraction form
    1,427,159/1,969,539.18 = 782,604.02/x
  3. Step 3: Cross multiply
    1,427,159x = 1,969,539.18 × 782,604.02
  4. Step 4: Simplify right side
    1,427,159x = 1,541,369,279,815.50
  5. Step 5: Solve for x
    x = 1,541,369,279,815.50/1,427,159
  6. Step 6: Final answer
    x = 1,080,026.32

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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.