Home / 1,313,406.45-1,970,168.69-402,522.19

Finding the Fourth Proportional to 1,313,406.45, 1,970,168.69 and 402,522.19

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Solution

The fourth proportional to 1,313,406.45, 1,970,168.69 and 402,522.19 is: 603,801.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,406.45 : 1,970,168.69 = 402,522.19 : x
  2. Step 2: Convert to fraction form
    1,313,406.45/1,970,168.69 = 402,522.19/x
  3. Step 3: Cross multiply
    1,313,406.45x = 1,970,168.69 × 402,522.19
  4. Step 4: Simplify right side
    1,313,406.45x = 793,036,611,849.12
  5. Step 5: Solve for x
    x = 793,036,611,849.12/1,313,406.45
  6. Step 6: Final answer
    x = 603,801.37

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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.