Home / 909,669.15-1,361,879.33-909,669.15

Finding the Fourth Proportional to 909,669.15, 1,361,879.33 and 909,669.15

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Solution

The fourth proportional to 909,669.15, 1,361,879.33 and 909,669.15 is: 1,361,879.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,669.15 : 1,361,879.33 = 909,669.15 : x
  2. Step 2: Convert to fraction form
    909,669.15/1,361,879.33 = 909,669.15/x
  3. Step 3: Cross multiply
    909,669.15x = 1,361,879.33 × 909,669.15
  4. Step 4: Simplify right side
    909,669.15x = 1,238,859,607,975.32
  5. Step 5: Solve for x
    x = 1,238,859,607,975.32/909,669.15
  6. Step 6: Final answer
    x = 1,361,879.33

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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.