Home / 1,615,213.35-2,229,009.38-890,087.02

Finding the Fourth Proportional to 1,615,213.35, 2,229,009.38 and 890,087.02

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Solution

The fourth proportional to 1,615,213.35, 2,229,009.38 and 890,087.02 is: 1,228,328.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,213.35 : 2,229,009.38 = 890,087.02 : x
  2. Step 2: Convert to fraction form
    1,615,213.35/2,229,009.38 = 890,087.02/x
  3. Step 3: Cross multiply
    1,615,213.35x = 2,229,009.38 × 890,087.02
  4. Step 4: Simplify right side
    1,615,213.35x = 1,984,012,306,573.29
  5. Step 5: Solve for x
    x = 1,984,012,306,573.29/1,615,213.35
  6. Step 6: Final answer
    x = 1,228,328.32

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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.