Home / 1,510,156.54-2,265,447.57-485,143.12

Finding the Fourth Proportional to 1,510,156.54, 2,265,447.57 and 485,143.12

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Solution

The fourth proportional to 1,510,156.54, 2,265,447.57 and 485,143.12 is: 727,783.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,156.54 : 2,265,447.57 = 485,143.12 : x
  2. Step 2: Convert to fraction form
    1,510,156.54/2,265,447.57 = 485,143.12/x
  3. Step 3: Cross multiply
    1,510,156.54x = 2,265,447.57 × 485,143.12
  4. Step 4: Simplify right side
    1,510,156.54x = 1,099,066,302,306.22
  5. Step 5: Solve for x
    x = 1,099,066,302,306.22/1,510,156.54
  6. Step 6: Final answer
    x = 727,783.03

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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.