Home / 1,660,977.56-2,488,661.51-1,019,945.30

Finding the Fourth Proportional to 1,660,977.56, 2,488,661.51 and 1,019,945.30

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Solution

The fourth proportional to 1,660,977.56, 2,488,661.51 and 1,019,945.30 is: 1,528,195.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,977.56 : 2,488,661.51 = 1,019,945.30 : x
  2. Step 2: Convert to fraction form
    1,660,977.56/2,488,661.51 = 1,019,945.30/x
  3. Step 3: Cross multiply
    1,660,977.56x = 2,488,661.51 × 1,019,945.30
  4. Step 4: Simplify right side
    1,660,977.56x = 2,538,298,622,390.08
  5. Step 5: Solve for x
    x = 2,538,298,622,390.08/1,660,977.56
  6. Step 6: Final answer
    x = 1,528,195.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.