Home / 1,694,442.80-2,339,308.94-1,285,829.87

Finding the Fourth Proportional to 1,694,442.80, 2,339,308.94 and 1,285,829.87

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Solution

The fourth proportional to 1,694,442.80, 2,339,308.94 and 1,285,829.87 is: 1,775,187.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694,442.80 : 2,339,308.94 = 1,285,829.87 : x
  2. Step 2: Convert to fraction form
    1,694,442.80/2,339,308.94 = 1,285,829.87/x
  3. Step 3: Cross multiply
    1,694,442.80x = 2,339,308.94 × 1,285,829.87
  4. Step 4: Simplify right side
    1,694,442.80x = 3,007,953,292,084.34
  5. Step 5: Solve for x
    x = 3,007,953,292,084.34/1,694,442.80
  6. Step 6: Final answer
    x = 1,775,187.28

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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.