Home / 1,345,867.44-2,018,489.64-399,009.84

Finding the Fourth Proportional to 1,345,867.44, 2,018,489.64 and 399,009.84

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Solution

The fourth proportional to 1,345,867.44, 2,018,489.64 and 399,009.84 is: 598,422.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,867.44 : 2,018,489.64 = 399,009.84 : x
  2. Step 2: Convert to fraction form
    1,345,867.44/2,018,489.64 = 399,009.84/x
  3. Step 3: Cross multiply
    1,345,867.44x = 2,018,489.64 × 399,009.84
  4. Step 4: Simplify right side
    1,345,867.44x = 805,397,228,298.06
  5. Step 5: Solve for x
    x = 805,397,228,298.06/1,345,867.44
  6. Step 6: Final answer
    x = 598,422.40

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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.