Home / 1,615,535.85-2,229,348.51-890,381.34

Finding the Fourth Proportional to 1,615,535.85, 2,229,348.51 and 890,381.34

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Solution

The fourth proportional to 1,615,535.85, 2,229,348.51 and 890,381.34 is: 1,228,676.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,535.85 : 2,229,348.51 = 890,381.34 : x
  2. Step 2: Convert to fraction form
    1,615,535.85/2,229,348.51 = 890,381.34/x
  3. Step 3: Cross multiply
    1,615,535.85x = 2,229,348.51 × 890,381.34
  4. Step 4: Simplify right side
    1,615,535.85x = 1,984,970,313,660.80
  5. Step 5: Solve for x
    x = 1,984,970,313,660.80/1,615,535.85
  6. Step 6: Final answer
    x = 1,228,676.12

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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.