Home / 1,472,078.60-2,206,562.70-839,630.60

Finding the Fourth Proportional to 1,472,078.60, 2,206,562.70 and 839,630.60

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Solution

The fourth proportional to 1,472,078.60, 2,206,562.70 and 839,630.60 is: 1,258,558.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,078.60 : 2,206,562.70 = 839,630.60 : x
  2. Step 2: Convert to fraction form
    1,472,078.60/2,206,562.70 = 839,630.60/x
  3. Step 3: Cross multiply
    1,472,078.60x = 2,206,562.70 × 839,630.60
  4. Step 4: Simplify right side
    1,472,078.60x = 1,852,697,563,738.62
  5. Step 5: Solve for x
    x = 1,852,697,563,738.62/1,472,078.60
  6. Step 6: Final answer
    x = 1,258,558.86

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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.