Home / 1,110,334.40-1,664,481.04-400,188.64

Finding the Fourth Proportional to 1,110,334.40, 1,664,481.04 and 400,188.64

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Solution

The fourth proportional to 1,110,334.40, 1,664,481.04 and 400,188.64 is: 599,915.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,334.40 : 1,664,481.04 = 400,188.64 : x
  2. Step 2: Convert to fraction form
    1,110,334.40/1,664,481.04 = 400,188.64/x
  3. Step 3: Cross multiply
    1,110,334.40x = 1,664,481.04 × 400,188.64
  4. Step 4: Simplify right side
    1,110,334.40x = 666,106,403,703.39
  5. Step 5: Solve for x
    x = 666,106,403,703.39/1,110,334.40
  6. Step 6: Final answer
    x = 599,915.13

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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.