Home / 1,140,085.26-1,573,162.64-681,102.69

Finding the Fourth Proportional to 1,140,085.26, 1,573,162.64 and 681,102.69

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Solution

The fourth proportional to 1,140,085.26, 1,573,162.64 and 681,102.69 is: 939,829.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,085.26 : 1,573,162.64 = 681,102.69 : x
  2. Step 2: Convert to fraction form
    1,140,085.26/1,573,162.64 = 681,102.69/x
  3. Step 3: Cross multiply
    1,140,085.26x = 1,573,162.64 × 681,102.69
  4. Step 4: Simplify right side
    1,140,085.26x = 1,071,485,311,841.01
  5. Step 5: Solve for x
    x = 1,071,485,311,841.01/1,140,085.26
  6. Step 6: Final answer
    x = 939,829.11

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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.