Home / 1,090,343-1,504,511.86-654,668.32

Finding the Fourth Proportional to 1,090,343, 1,504,511.86 and 654,668.32

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Solution

The fourth proportional to 1,090,343, 1,504,511.86 and 654,668.32 is: 903,345.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,343 : 1,504,511.86 = 654,668.32 : x
  2. Step 2: Convert to fraction form
    1,090,343/1,504,511.86 = 654,668.32/x
  3. Step 3: Cross multiply
    1,090,343x = 1,504,511.86 × 654,668.32
  4. Step 4: Simplify right side
    1,090,343x = 984,956,251,806.28
  5. Step 5: Solve for x
    x = 984,956,251,806.28/1,090,343
  6. Step 6: Final answer
    x = 903,345.33

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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.