Home / 1,615,812.58-2,229,820.82-890,672.41

Finding the Fourth Proportional to 1,615,812.58, 2,229,820.82 and 890,672.41

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Solution

The fourth proportional to 1,615,812.58, 2,229,820.82 and 890,672.41 is: 1,229,127.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,812.58 : 2,229,820.82 = 890,672.41 : x
  2. Step 2: Convert to fraction form
    1,615,812.58/2,229,820.82 = 890,672.41/x
  3. Step 3: Cross multiply
    1,615,812.58x = 2,229,820.82 × 890,672.41
  4. Step 4: Simplify right side
    1,615,812.58x = 1,986,039,880,273.71
  5. Step 5: Solve for x
    x = 1,986,039,880,273.71/1,615,812.58
  6. Step 6: Final answer
    x = 1,229,127.62

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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.