Home / 1,420,678.96-2,131,859.16-522,751.26

Finding the Fourth Proportional to 1,420,678.96, 2,131,859.16 and 522,751.26

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Solution

The fourth proportional to 1,420,678.96, 2,131,859.16 and 522,751.26 is: 784,436.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,678.96 : 2,131,859.16 = 522,751.26 : x
  2. Step 2: Convert to fraction form
    1,420,678.96/2,131,859.16 = 522,751.26/x
  3. Step 3: Cross multiply
    1,420,678.96x = 2,131,859.16 × 522,751.26
  4. Step 4: Simplify right side
    1,420,678.96x = 1,114,432,062,032.54
  5. Step 5: Solve for x
    x = 1,114,432,062,032.54/1,420,678.96
  6. Step 6: Final answer
    x = 784,436.24

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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.