Home / 1,857,442.31-2,785,976.86-509,740.62

Finding the Fourth Proportional to 1,857,442.31, 2,785,976.86 and 509,740.62

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Solution

The fourth proportional to 1,857,442.31, 2,785,976.86 and 509,740.62 is: 764,559.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857,442.31 : 2,785,976.86 = 509,740.62 : x
  2. Step 2: Convert to fraction form
    1,857,442.31/2,785,976.86 = 509,740.62/x
  3. Step 3: Cross multiply
    1,857,442.31x = 2,785,976.86 × 509,740.62
  4. Step 4: Simplify right side
    1,857,442.31x = 1,420,125,571,922.05
  5. Step 5: Solve for x
    x = 1,420,125,571,922.05/1,857,442.31
  6. Step 6: Final answer
    x = 764,559.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.