Home / 1,378,903.44-2,068,364.32-480,362.16

Finding the Fourth Proportional to 1,378,903.44, 2,068,364.32 and 480,362.16

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Solution

The fourth proportional to 1,378,903.44, 2,068,364.32 and 480,362.16 is: 720,546.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,903.44 : 2,068,364.32 = 480,362.16 : x
  2. Step 2: Convert to fraction form
    1,378,903.44/2,068,364.32 = 480,362.16/x
  3. Step 3: Cross multiply
    1,378,903.44x = 2,068,364.32 × 480,362.16
  4. Step 4: Simplify right side
    1,378,903.44x = 993,563,952,422.13
  5. Step 5: Solve for x
    x = 993,563,952,422.13/1,378,903.44
  6. Step 6: Final answer
    x = 720,546.43

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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.