Home / 1,396,970.69-2,104,790.91-1,262,191.41

Finding the Fourth Proportional to 1,396,970.69, 2,104,790.91 and 1,262,191.41

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Solution

The fourth proportional to 1,396,970.69, 2,104,790.91 and 1,262,191.41 is: 1,901,721.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,970.69 : 2,104,790.91 = 1,262,191.41 : x
  2. Step 2: Convert to fraction form
    1,396,970.69/2,104,790.91 = 1,262,191.41/x
  3. Step 3: Cross multiply
    1,396,970.69x = 2,104,790.91 × 1,262,191.41
  4. Step 4: Simplify right side
    1,396,970.69x = 2,656,649,001,714.87
  5. Step 5: Solve for x
    x = 2,656,649,001,714.87/1,396,970.69
  6. Step 6: Final answer
    x = 1,901,721.37

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.