Home / 1,605,454.60-2,215,626.74-890,062.60

Finding the Fourth Proportional to 1,605,454.60, 2,215,626.74 and 890,062.60

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Solution

The fourth proportional to 1,605,454.60, 2,215,626.74 and 890,062.60 is: 1,228,341.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,454.60 : 2,215,626.74 = 890,062.60 : x
  2. Step 2: Convert to fraction form
    1,605,454.60/2,215,626.74 = 890,062.60/x
  3. Step 3: Cross multiply
    1,605,454.60x = 2,215,626.74 × 890,062.60
  4. Step 4: Simplify right side
    1,605,454.60x = 1,972,046,496,833.92
  5. Step 5: Solve for x
    x = 1,972,046,496,833.92/1,605,454.60
  6. Step 6: Final answer
    x = 1,228,341.49

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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.