Home / 1,615,393.85-2,229,290.22-890,288.27

Finding the Fourth Proportional to 1,615,393.85, 2,229,290.22 and 890,288.27

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Solution

The fourth proportional to 1,615,393.85, 2,229,290.22 and 890,288.27 is: 1,228,623.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,393.85 : 2,229,290.22 = 890,288.27 : x
  2. Step 2: Convert to fraction form
    1,615,393.85/2,229,290.22 = 890,288.27/x
  3. Step 3: Cross multiply
    1,615,393.85x = 2,229,290.22 × 890,288.27
  4. Step 4: Simplify right side
    1,615,393.85x = 1,984,710,922,145.27
  5. Step 5: Solve for x
    x = 1,984,710,922,145.27/1,615,393.85
  6. Step 6: Final answer
    x = 1,228,623.55

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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.