Home / 1,335,990.08-2,003,967.80-325,112.66

Finding the Fourth Proportional to 1,335,990.08, 2,003,967.80 and 325,112.66

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Solution

The fourth proportional to 1,335,990.08, 2,003,967.80 and 325,112.66 is: 487,664.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,990.08 : 2,003,967.80 = 325,112.66 : x
  2. Step 2: Convert to fraction form
    1,335,990.08/2,003,967.80 = 325,112.66/x
  3. Step 3: Cross multiply
    1,335,990.08x = 2,003,967.80 × 325,112.66
  4. Step 4: Simplify right side
    1,335,990.08x = 651,515,299,101.00
  5. Step 5: Solve for x
    x = 651,515,299,101.00/1,335,990.08
  6. Step 6: Final answer
    x = 487,664.77

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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.