Home / 1,530,449.64-2,111,928.39-842,096.25

Finding the Fourth Proportional to 1,530,449.64, 2,111,928.39 and 842,096.25

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Solution

The fourth proportional to 1,530,449.64, 2,111,928.39 and 842,096.25 is: 1,162,042.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,449.64 : 2,111,928.39 = 842,096.25 : x
  2. Step 2: Convert to fraction form
    1,530,449.64/2,111,928.39 = 842,096.25/x
  3. Step 3: Cross multiply
    1,530,449.64x = 2,111,928.39 × 842,096.25
  4. Step 4: Simplify right side
    1,530,449.64x = 1,778,446,977,487.54
  5. Step 5: Solve for x
    x = 1,778,446,977,487.54/1,530,449.64
  6. Step 6: Final answer
    x = 1,162,042.14

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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.