Home / 1,660,509.10-2,485,514.85-1,188,117.10

Finding the Fourth Proportional to 1,660,509.10, 2,485,514.85 and 1,188,117.10

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Solution

The fourth proportional to 1,660,509.10, 2,485,514.85 and 1,188,117.10 is: 1,778,420.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,509.10 : 2,485,514.85 = 1,188,117.10 : x
  2. Step 2: Convert to fraction form
    1,660,509.10/2,485,514.85 = 1,188,117.10/x
  3. Step 3: Cross multiply
    1,660,509.10x = 2,485,514.85 × 1,188,117.10
  4. Step 4: Simplify right side
    1,660,509.10x = 2,953,082,695,588.94
  5. Step 5: Solve for x
    x = 2,953,082,695,588.94/1,660,509.10
  6. Step 6: Final answer
    x = 1,778,420.06

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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.