Home / 1,615,498.21-2,229,296.61-890,343.64

Finding the Fourth Proportional to 1,615,498.21, 2,229,296.61 and 890,343.64

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Solution

The fourth proportional to 1,615,498.21, 2,229,296.61 and 890,343.64 is: 1,228,624.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,498.21 : 2,229,296.61 = 890,343.64 : x
  2. Step 2: Convert to fraction form
    1,615,498.21/2,229,296.61 = 890,343.64/x
  3. Step 3: Cross multiply
    1,615,498.21x = 2,229,296.61 × 890,343.64
  4. Step 4: Simplify right side
    1,615,498.21x = 1,984,840,059,504.29
  5. Step 5: Solve for x
    x = 1,984,840,059,504.29/1,615,498.21
  6. Step 6: Final answer
    x = 1,228,624.11

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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.