Home / 1,322,694.88-1,984,342.32-424,199.20

Finding the Fourth Proportional to 1,322,694.88, 1,984,342.32 and 424,199.20

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Solution

The fourth proportional to 1,322,694.88, 1,984,342.32 and 424,199.20 is: 636,395.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,694.88 : 1,984,342.32 = 424,199.20 : x
  2. Step 2: Convert to fraction form
    1,322,694.88/1,984,342.32 = 424,199.20/x
  3. Step 3: Cross multiply
    1,322,694.88x = 1,984,342.32 × 424,199.20
  4. Step 4: Simplify right side
    1,322,694.88x = 841,756,424,670.14
  5. Step 5: Solve for x
    x = 841,756,424,670.14/1,322,694.88
  6. Step 6: Final answer
    x = 636,395.01

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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.