Home / 1,628,120.52-2,246,881.32-902,925.05

Finding the Fourth Proportional to 1,628,120.52, 2,246,881.32 and 902,925.05

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Solution

The fourth proportional to 1,628,120.52, 2,246,881.32 and 902,925.05 is: 1,246,078.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,120.52 : 2,246,881.32 = 902,925.05 : x
  2. Step 2: Convert to fraction form
    1,628,120.52/2,246,881.32 = 902,925.05/x
  3. Step 3: Cross multiply
    1,628,120.52x = 2,246,881.32 × 902,925.05
  4. Step 4: Simplify right side
    1,628,120.52x = 2,028,765,416,970.66
  5. Step 5: Solve for x
    x = 2,028,765,416,970.66/1,628,120.52
  6. Step 6: Final answer
    x = 1,246,078.16

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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.