Home / 1,615,368.60-2,229,198.30-890,222.04

Finding the Fourth Proportional to 1,615,368.60, 2,229,198.30 and 890,222.04

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Solution

The fourth proportional to 1,615,368.60, 2,229,198.30 and 890,222.04 is: 1,228,500.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,368.60 : 2,229,198.30 = 890,222.04 : x
  2. Step 2: Convert to fraction form
    1,615,368.60/2,229,198.30 = 890,222.04/x
  3. Step 3: Cross multiply
    1,615,368.60x = 2,229,198.30 × 890,222.04
  4. Step 4: Simplify right side
    1,615,368.60x = 1,984,481,458,190.53
  5. Step 5: Solve for x
    x = 1,984,481,458,190.53/1,615,368.60
  6. Step 6: Final answer
    x = 1,228,500.70

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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.