Home / 1,456,178.67-2,185,252.16-509,557.59

Finding the Fourth Proportional to 1,456,178.67, 2,185,252.16 and 509,557.59

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Solution

The fourth proportional to 1,456,178.67, 2,185,252.16 and 509,557.59 is: 764,680.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,178.67 : 2,185,252.16 = 509,557.59 : x
  2. Step 2: Convert to fraction form
    1,456,178.67/2,185,252.16 = 509,557.59/x
  3. Step 3: Cross multiply
    1,456,178.67x = 2,185,252.16 × 509,557.59
  4. Step 4: Simplify right side
    1,456,178.67x = 1,113,511,821,644.11
  5. Step 5: Solve for x
    x = 1,113,511,821,644.11/1,456,178.67
  6. Step 6: Final answer
    x = 764,680.77

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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.