Home / 1,084,179.87-1,626,140.65-285,523.72

Finding the Fourth Proportional to 1,084,179.87, 1,626,140.65 and 285,523.72

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Solution

The fourth proportional to 1,084,179.87, 1,626,140.65 and 285,523.72 is: 428,251.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,084,179.87 : 1,626,140.65 = 285,523.72 : x
  2. Step 2: Convert to fraction form
    1,084,179.87/1,626,140.65 = 285,523.72/x
  3. Step 3: Cross multiply
    1,084,179.87x = 1,626,140.65 × 285,523.72
  4. Step 4: Simplify right side
    1,084,179.87x = 464,301,727,631.22
  5. Step 5: Solve for x
    x = 464,301,727,631.22/1,084,179.87
  6. Step 6: Final answer
    x = 428,251.57

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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.