Home / 1,314,072.64-1,971,091.68-316,792.64

Finding the Fourth Proportional to 1,314,072.64, 1,971,091.68 and 316,792.64

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Solution

The fourth proportional to 1,314,072.64, 1,971,091.68 and 316,792.64 is: 475,184.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,072.64 : 1,971,091.68 = 316,792.64 : x
  2. Step 2: Convert to fraction form
    1,314,072.64/1,971,091.68 = 316,792.64/x
  3. Step 3: Cross multiply
    1,314,072.64x = 1,971,091.68 × 316,792.64
  4. Step 4: Simplify right side
    1,314,072.64x = 624,427,336,989.24
  5. Step 5: Solve for x
    x = 624,427,336,989.24/1,314,072.64
  6. Step 6: Final answer
    x = 475,184.79

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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.