Home / 1,131,767.44-1,697,652.12-290,319.28

Finding the Fourth Proportional to 1,131,767.44, 1,697,652.12 and 290,319.28

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Solution

The fourth proportional to 1,131,767.44, 1,697,652.12 and 290,319.28 is: 435,479.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,767.44 : 1,697,652.12 = 290,319.28 : x
  2. Step 2: Convert to fraction form
    1,131,767.44/1,697,652.12 = 290,319.28/x
  3. Step 3: Cross multiply
    1,131,767.44x = 1,697,652.12 × 290,319.28
  4. Step 4: Simplify right side
    1,131,767.44x = 492,861,141,168.87
  5. Step 5: Solve for x
    x = 492,861,141,168.87/1,131,767.44
  6. Step 6: Final answer
    x = 435,479.17

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Double scale
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Similar ratio
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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.