Home / 1,374,391.92-2,061,782.28-427,858.32

Finding the Fourth Proportional to 1,374,391.92, 2,061,782.28 and 427,858.32

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Solution

The fourth proportional to 1,374,391.92, 2,061,782.28 and 427,858.32 is: 641,848.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,391.92 : 2,061,782.28 = 427,858.32 : x
  2. Step 2: Convert to fraction form
    1,374,391.92/2,061,782.28 = 427,858.32/x
  3. Step 3: Cross multiply
    1,374,391.92x = 2,061,782.28 × 427,858.32
  4. Step 4: Simplify right side
    1,374,391.92x = 882,150,702,526.57
  5. Step 5: Solve for x
    x = 882,150,702,526.57/1,374,391.92
  6. Step 6: Final answer
    x = 641,848.00

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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.