Home / 1,490,082.30-2,056,357.52-1,055,277.54

Finding the Fourth Proportional to 1,490,082.30, 2,056,357.52 and 1,055,277.54

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Solution

The fourth proportional to 1,490,082.30, 2,056,357.52 and 1,055,277.54 is: 1,456,314.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,082.30 : 2,056,357.52 = 1,055,277.54 : x
  2. Step 2: Convert to fraction form
    1,490,082.30/2,056,357.52 = 1,055,277.54/x
  3. Step 3: Cross multiply
    1,490,082.30x = 2,056,357.52 × 1,055,277.54
  4. Step 4: Simplify right side
    1,490,082.30x = 2,170,027,889,507.93
  5. Step 5: Solve for x
    x = 2,170,027,889,507.93/1,490,082.30
  6. Step 6: Final answer
    x = 1,456,314.12

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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.