Home / 1,171,801.50-1,617,258.63-742,121.58

Finding the Fourth Proportional to 1,171,801.50, 1,617,258.63 and 742,121.58

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Solution

The fourth proportional to 1,171,801.50, 1,617,258.63 and 742,121.58 is: 1,024,237.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,801.50 : 1,617,258.63 = 742,121.58 : x
  2. Step 2: Convert to fraction form
    1,171,801.50/1,617,258.63 = 742,121.58/x
  3. Step 3: Cross multiply
    1,171,801.50x = 1,617,258.63 × 742,121.58
  4. Step 4: Simplify right side
    1,171,801.50x = 1,200,202,529,764.24
  5. Step 5: Solve for x
    x = 1,200,202,529,764.24/1,171,801.50
  6. Step 6: Final answer
    x = 1,024,237.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.