Home / 1,243,558.70-1,864,244.55-842,900.30

Finding the Fourth Proportional to 1,243,558.70, 1,864,244.55 and 842,900.30

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Solution

The fourth proportional to 1,243,558.70, 1,864,244.55 and 842,900.30 is: 1,263,609.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,558.70 : 1,864,244.55 = 842,900.30 : x
  2. Step 2: Convert to fraction form
    1,243,558.70/1,864,244.55 = 842,900.30/x
  3. Step 3: Cross multiply
    1,243,558.70x = 1,864,244.55 × 842,900.30
  4. Step 4: Simplify right side
    1,243,558.70x = 1,571,372,290,468.37
  5. Step 5: Solve for x
    x = 1,571,372,290,468.37/1,243,558.70
  6. Step 6: Final answer
    x = 1,263,609.26

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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.