Home / 1,660,508.10-2,485,513.35-1,188,116.10

Finding the Fourth Proportional to 1,660,508.10, 2,485,513.35 and 1,188,116.10

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Solution

The fourth proportional to 1,660,508.10, 2,485,513.35 and 1,188,116.10 is: 1,778,418.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,508.10 : 2,485,513.35 = 1,188,116.10 : x
  2. Step 2: Convert to fraction form
    1,660,508.10/2,485,513.35 = 1,188,116.10/x
  3. Step 3: Cross multiply
    1,660,508.10x = 2,485,513.35 × 1,188,116.10
  4. Step 4: Simplify right side
    1,660,508.10x = 2,953,078,427,899.94
  5. Step 5: Solve for x
    x = 2,953,078,427,899.94/1,660,508.10
  6. Step 6: Final answer
    x = 1,778,418.56

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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.