Home / 1,078,763.84-1,617,884.64-330,816.32

Finding the Fourth Proportional to 1,078,763.84, 1,617,884.64 and 330,816.32

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Solution

The fourth proportional to 1,078,763.84, 1,617,884.64 and 330,816.32 is: 496,144.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,763.84 : 1,617,884.64 = 330,816.32 : x
  2. Step 2: Convert to fraction form
    1,078,763.84/1,617,884.64 = 330,816.32/x
  3. Step 3: Cross multiply
    1,078,763.84x = 1,617,884.64 × 330,816.32
  4. Step 4: Simplify right side
    1,078,763.84x = 535,222,642,789.33
  5. Step 5: Solve for x
    x = 535,222,642,789.33/1,078,763.84
  6. Step 6: Final answer
    x = 496,144.40

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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.