Home / 1,615,365.60-2,229,194.16-890,219.04

Finding the Fourth Proportional to 1,615,365.60, 2,229,194.16 and 890,219.04

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Solution

The fourth proportional to 1,615,365.60, 2,229,194.16 and 890,219.04 is: 1,228,496.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,365.60 : 2,229,194.16 = 890,219.04 : x
  2. Step 2: Convert to fraction form
    1,615,365.60/2,229,194.16 = 890,219.04/x
  3. Step 3: Cross multiply
    1,615,365.60x = 2,229,194.16 × 890,219.04
  4. Step 4: Simplify right side
    1,615,365.60x = 1,984,471,085,088.81
  5. Step 5: Solve for x
    x = 1,984,471,085,088.81/1,615,365.60
  6. Step 6: Final answer
    x = 1,228,496.56

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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.