Home / 1,511,848.40-2,264,662.20-764,315.60

Finding the Fourth Proportional to 1,511,848.40, 2,264,662.20 and 764,315.60

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Solution

The fourth proportional to 1,511,848.40, 2,264,662.20 and 764,315.60 is: 1,144,900.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,848.40 : 2,264,662.20 = 764,315.60 : x
  2. Step 2: Convert to fraction form
    1,511,848.40/2,264,662.20 = 764,315.60/x
  3. Step 3: Cross multiply
    1,511,848.40x = 2,264,662.20 × 764,315.60
  4. Step 4: Simplify right side
    1,511,848.40x = 1,730,916,648,190.32
  5. Step 5: Solve for x
    x = 1,730,916,648,190.32/1,511,848.40
  6. Step 6: Final answer
    x = 1,144,900.94

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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.