Home / 1,012,942.23-1,518,852.42-414,323.75

Finding the Fourth Proportional to 1,012,942.23, 1,518,852.42 and 414,323.75

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Solution

The fourth proportional to 1,012,942.23, 1,518,852.42 and 414,323.75 is: 621,256.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,942.23 : 1,518,852.42 = 414,323.75 : x
  2. Step 2: Convert to fraction form
    1,012,942.23/1,518,852.42 = 414,323.75/x
  3. Step 3: Cross multiply
    1,012,942.23x = 1,518,852.42 × 414,323.75
  4. Step 4: Simplify right side
    1,012,942.23x = 629,296,622,756.71
  5. Step 5: Solve for x
    x = 629,296,622,756.71/1,012,942.23
  6. Step 6: Final answer
    x = 621,256.18

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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.