Home / 1,857,443.31-2,785,978.36-509,741.62

Finding the Fourth Proportional to 1,857,443.31, 2,785,978.36 and 509,741.62

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Solution

The fourth proportional to 1,857,443.31, 2,785,978.36 and 509,741.62 is: 764,561.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857,443.31 : 2,785,978.36 = 509,741.62 : x
  2. Step 2: Convert to fraction form
    1,857,443.31/2,785,978.36 = 509,741.62/x
  3. Step 3: Cross multiply
    1,857,443.31x = 2,785,978.36 × 509,741.62
  4. Step 4: Simplify right side
    1,857,443.31x = 1,420,129,122,511.34
  5. Step 5: Solve for x
    x = 1,420,129,122,511.34/1,857,443.31
  6. Step 6: Final answer
    x = 764,561.22

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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.