Home / 1,615,946.76-2,229,906.26-890,757

Finding the Fourth Proportional to 1,615,946.76, 2,229,906.26 and 890,757

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Solution

The fourth proportional to 1,615,946.76, 2,229,906.26 and 890,757 is: 1,229,189.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,946.76 : 2,229,906.26 = 890,757 : x
  2. Step 2: Convert to fraction form
    1,615,946.76/2,229,906.26 = 890,757/x
  3. Step 3: Cross multiply
    1,615,946.76x = 2,229,906.26 × 890,757
  4. Step 4: Simplify right side
    1,615,946.76x = 1,986,304,610,438.82
  5. Step 5: Solve for x
    x = 1,986,304,610,438.82/1,615,946.76
  6. Step 6: Final answer
    x = 1,229,189.39

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1.5x scale

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.