Home / 1,615,250.44-2,229,015.78-890,165.32

Finding the Fourth Proportional to 1,615,250.44, 2,229,015.78 and 890,165.32

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Solution

The fourth proportional to 1,615,250.44, 2,229,015.78 and 890,165.32 is: 1,228,411.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,250.44 : 2,229,015.78 = 890,165.32 : x
  2. Step 2: Convert to fraction form
    1,615,250.44/2,229,015.78 = 890,165.32/x
  3. Step 3: Cross multiply
    1,615,250.44x = 2,229,015.78 × 890,165.32
  4. Step 4: Simplify right side
    1,615,250.44x = 1,984,192,545,088.75
  5. Step 5: Solve for x
    x = 1,984,192,545,088.75/1,615,250.44
  6. Step 6: Final answer
    x = 1,228,411.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.