Home / 1,456,245.76-2,185,352.72-509,624.68

Finding the Fourth Proportional to 1,456,245.76, 2,185,352.72 and 509,624.68

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Solution

The fourth proportional to 1,456,245.76, 2,185,352.72 and 509,624.68 is: 764,781.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,245.76 : 2,185,352.72 = 509,624.68 : x
  2. Step 2: Convert to fraction form
    1,456,245.76/2,185,352.72 = 509,624.68/x
  3. Step 3: Cross multiply
    1,456,245.76x = 2,185,352.72 × 509,624.68
  4. Step 4: Simplify right side
    1,456,245.76x = 1,113,709,680,617.13
  5. Step 5: Solve for x
    x = 1,113,709,680,617.13/1,456,245.76
  6. Step 6: Final answer
    x = 764,781.41

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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.