Home / 1,615,498.43-2,229,296.91-890,343.86

Finding the Fourth Proportional to 1,615,498.43, 2,229,296.91 and 890,343.86

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Solution

The fourth proportional to 1,615,498.43, 2,229,296.91 and 890,343.86 is: 1,228,624.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,498.43 : 2,229,296.91 = 890,343.86 : x
  2. Step 2: Convert to fraction form
    1,615,498.43/2,229,296.91 = 890,343.86/x
  3. Step 3: Cross multiply
    1,615,498.43x = 2,229,296.91 × 890,343.86
  4. Step 4: Simplify right side
    1,615,498.43x = 1,984,840,815,935.47
  5. Step 5: Solve for x
    x = 1,984,840,815,935.47/1,615,498.43
  6. Step 6: Final answer
    x = 1,228,624.42

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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.