Home / 1,660,921.32-2,489,807.34-538,203

Finding the Fourth Proportional to 1,660,921.32, 2,489,807.34 and 538,203

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Solution

The fourth proportional to 1,660,921.32, 2,489,807.34 and 538,203 is: 806,794.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,921.32 : 2,489,807.34 = 538,203 : x
  2. Step 2: Convert to fraction form
    1,660,921.32/2,489,807.34 = 538,203/x
  3. Step 3: Cross multiply
    1,660,921.32x = 2,489,807.34 × 538,203
  4. Step 4: Simplify right side
    1,660,921.32x = 1,340,021,779,810.02
  5. Step 5: Solve for x
    x = 1,340,021,779,810.02/1,660,921.32
  6. Step 6: Final answer
    x = 806,794.26

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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.