Home / 1,350,970.80-2,026,701.72-640,992.23

Finding the Fourth Proportional to 1,350,970.80, 2,026,701.72 and 640,992.23

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Solution

The fourth proportional to 1,350,970.80, 2,026,701.72 and 640,992.23 is: 961,604.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350,970.80 : 2,026,701.72 = 640,992.23 : x
  2. Step 2: Convert to fraction form
    1,350,970.80/2,026,701.72 = 640,992.23/x
  3. Step 3: Cross multiply
    1,350,970.80x = 2,026,701.72 × 640,992.23
  4. Step 4: Simplify right side
    1,350,970.80x = 1,299,100,044,914.13
  5. Step 5: Solve for x
    x = 1,299,100,044,914.13/1,350,970.80
  6. Step 6: Final answer
    x = 961,604.83

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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.