Home / 1,131,735.60-1,697,603.94-290,287.62

Finding the Fourth Proportional to 1,131,735.60, 1,697,603.94 and 290,287.62

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Solution

The fourth proportional to 1,131,735.60, 1,697,603.94 and 290,287.62 is: 435,431.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,735.60 : 1,697,603.94 = 290,287.62 : x
  2. Step 2: Convert to fraction form
    1,131,735.60/1,697,603.94 = 290,287.62/x
  3. Step 3: Cross multiply
    1,131,735.60x = 1,697,603.94 × 290,287.62
  4. Step 4: Simplify right side
    1,131,735.60x = 492,793,407,445.22
  5. Step 5: Solve for x
    x = 492,793,407,445.22/1,131,735.60
  6. Step 6: Final answer
    x = 435,431.57

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1.5x scale

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.