Home / 1,372,055.61-1,892,370.55-936,823.04

Finding the Fourth Proportional to 1,372,055.61, 1,892,370.55 and 936,823.04

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Solution

The fourth proportional to 1,372,055.61, 1,892,370.55 and 936,823.04 is: 1,292,087.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,055.61 : 1,892,370.55 = 936,823.04 : x
  2. Step 2: Convert to fraction form
    1,372,055.61/1,892,370.55 = 936,823.04/x
  3. Step 3: Cross multiply
    1,372,055.61x = 1,892,370.55 × 936,823.04
  4. Step 4: Simplify right side
    1,372,055.61x = 1,772,816,317,311.50
  5. Step 5: Solve for x
    x = 1,772,816,317,311.50/1,372,055.61
  6. Step 6: Final answer
    x = 1,292,087.80

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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.