Home / 1,314,004.70-1,971,007.05-316,732.70

Finding the Fourth Proportional to 1,314,004.70, 1,971,007.05 and 316,732.70

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Solution

The fourth proportional to 1,314,004.70, 1,971,007.05 and 316,732.70 is: 475,099.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,004.70 : 1,971,007.05 = 316,732.70 : x
  2. Step 2: Convert to fraction form
    1,314,004.70/1,971,007.05 = 316,732.70/x
  3. Step 3: Cross multiply
    1,314,004.70x = 1,971,007.05 × 316,732.70
  4. Step 4: Simplify right side
    1,314,004.70x = 624,282,384,665.54
  5. Step 5: Solve for x
    x = 624,282,384,665.54/1,314,004.70
  6. Step 6: Final answer
    x = 475,099.05

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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.