Home / 1,615,995.94-2,230,089.44-890,869.60

Finding the Fourth Proportional to 1,615,995.94, 2,230,089.44 and 890,869.60

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Solution

The fourth proportional to 1,615,995.94, 2,230,089.44 and 890,869.60 is: 1,229,408.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,995.94 : 2,230,089.44 = 890,869.60 : x
  2. Step 2: Convert to fraction form
    1,615,995.94/2,230,089.44 = 890,869.60/x
  3. Step 3: Cross multiply
    1,615,995.94x = 2,230,089.44 × 890,869.60
  4. Step 4: Simplify right side
    1,615,995.94x = 1,986,718,889,051.05
  5. Step 5: Solve for x
    x = 1,986,718,889,051.05/1,615,995.94
  6. Step 6: Final answer
    x = 1,229,408.34

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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.