Home / 1,321,715.60-1,982,574.96-362,179.28

Finding the Fourth Proportional to 1,321,715.60, 1,982,574.96 and 362,179.28

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Solution

The fourth proportional to 1,321,715.60, 1,982,574.96 and 362,179.28 is: 543,269.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,715.60 : 1,982,574.96 = 362,179.28 : x
  2. Step 2: Convert to fraction form
    1,321,715.60/1,982,574.96 = 362,179.28/x
  3. Step 3: Cross multiply
    1,321,715.60x = 1,982,574.96 × 362,179.28
  4. Step 4: Simplify right side
    1,321,715.60x = 718,047,571,558.83
  5. Step 5: Solve for x
    x = 718,047,571,558.83/1,321,715.60
  6. Step 6: Final answer
    x = 543,269.35

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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.