Home / 1,313,395.56-1,970,093.88-316,123.56

Finding the Fourth Proportional to 1,313,395.56, 1,970,093.88 and 316,123.56

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Solution

The fourth proportional to 1,313,395.56, 1,970,093.88 and 316,123.56 is: 474,185.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,395.56 : 1,970,093.88 = 316,123.56 : x
  2. Step 2: Convert to fraction form
    1,313,395.56/1,970,093.88 = 316,123.56/x
  3. Step 3: Cross multiply
    1,313,395.56x = 1,970,093.88 × 316,123.56
  4. Step 4: Simplify right side
    1,313,395.56x = 622,793,090,879.81
  5. Step 5: Solve for x
    x = 622,793,090,879.81/1,313,395.56
  6. Step 6: Final answer
    x = 474,185.47

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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.