Home / 1,615,213.07-2,229,008.99-890,086.74

Finding the Fourth Proportional to 1,615,213.07, 2,229,008.99 and 890,086.74

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Solution

The fourth proportional to 1,615,213.07, 2,229,008.99 and 890,086.74 is: 1,228,327.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,213.07 : 2,229,008.99 = 890,086.74 : x
  2. Step 2: Convert to fraction form
    1,615,213.07/2,229,008.99 = 890,086.74/x
  3. Step 3: Cross multiply
    1,615,213.07x = 2,229,008.99 × 890,086.74
  4. Step 4: Simplify right side
    1,615,213.07x = 1,984,011,335,316.84
  5. Step 5: Solve for x
    x = 1,984,011,335,316.84/1,615,213.07
  6. Step 6: Final answer
    x = 1,228,327.94

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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.