Home / 1,093,699.08-1,640,917.98-689,195.88

Finding the Fourth Proportional to 1,093,699.08, 1,640,917.98 and 689,195.88

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Solution

The fourth proportional to 1,093,699.08, 1,640,917.98 and 689,195.88 is: 1,034,026.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,699.08 : 1,640,917.98 = 689,195.88 : x
  2. Step 2: Convert to fraction form
    1,093,699.08/1,640,917.98 = 689,195.88/x
  3. Step 3: Cross multiply
    1,093,699.08x = 1,640,917.98 × 689,195.88
  4. Step 4: Simplify right side
    1,093,699.08x = 1,130,913,911,233.92
  5. Step 5: Solve for x
    x = 1,130,913,911,233.92/1,093,699.08
  6. Step 6: Final answer
    x = 1,034,026.57

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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.