Home / 1,978,330.73-2,967,440.45-630,574.11

Finding the Fourth Proportional to 1,978,330.73, 2,967,440.45 and 630,574.11

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Solution

The fourth proportional to 1,978,330.73, 2,967,440.45 and 630,574.11 is: 945,843.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,978,330.73 : 2,967,440.45 = 630,574.11 : x
  2. Step 2: Convert to fraction form
    1,978,330.73/2,967,440.45 = 630,574.11/x
  3. Step 3: Cross multiply
    1,978,330.73x = 2,967,440.45 × 630,574.11
  4. Step 4: Simplify right side
    1,978,330.73x = 1,871,191,117,583.88
  5. Step 5: Solve for x
    x = 1,871,191,117,583.88/1,978,330.73
  6. Step 6: Final answer
    x = 945,843.43

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