Home / 1,313,963.34-1,970,945.01-316,691.34

Finding the Fourth Proportional to 1,313,963.34, 1,970,945.01 and 316,691.34

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Solution

The fourth proportional to 1,313,963.34, 1,970,945.01 and 316,691.34 is: 475,037.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,963.34 : 1,970,945.01 = 316,691.34 : x
  2. Step 2: Convert to fraction form
    1,313,963.34/1,970,945.01 = 316,691.34/x
  3. Step 3: Cross multiply
    1,313,963.34x = 1,970,945.01 × 316,691.34
  4. Step 4: Simplify right side
    1,313,963.34x = 624,181,216,283.21
  5. Step 5: Solve for x
    x = 624,181,216,283.21/1,313,963.34
  6. Step 6: Final answer
    x = 475,037.01

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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.