Home / 1,170,982.86-1,615,461.41-783,922.95

Finding the Fourth Proportional to 1,170,982.86, 1,615,461.41 and 783,922.95

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Solution

The fourth proportional to 1,170,982.86, 1,615,461.41 and 783,922.95 is: 1,081,482.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,982.86 : 1,615,461.41 = 783,922.95 : x
  2. Step 2: Convert to fraction form
    1,170,982.86/1,615,461.41 = 783,922.95/x
  3. Step 3: Cross multiply
    1,170,982.86x = 1,615,461.41 × 783,922.95
  4. Step 4: Simplify right side
    1,170,982.86x = 1,266,397,270,218.74
  5. Step 5: Solve for x
    x = 1,266,397,270,218.74/1,170,982.86
  6. Step 6: Final answer
    x = 1,081,482.33

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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.