Home / 1,012,912.30-1,518,807.54-414,293.84

Finding the Fourth Proportional to 1,012,912.30, 1,518,807.54 and 414,293.84

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Solution

The fourth proportional to 1,012,912.30, 1,518,807.54 and 414,293.84 is: 621,211.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,912.30 : 1,518,807.54 = 414,293.84 : x
  2. Step 2: Convert to fraction form
    1,012,912.30/1,518,807.54 = 414,293.84/x
  3. Step 3: Cross multiply
    1,012,912.30x = 1,518,807.54 × 414,293.84
  4. Step 4: Simplify right side
    1,012,912.30x = 629,232,607,622.65
  5. Step 5: Solve for x
    x = 629,232,607,622.65/1,012,912.30
  6. Step 6: Final answer
    x = 621,211.34

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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.