Home / 1,230,078.23-1,845,248.56-520,178.03

Finding the Fourth Proportional to 1,230,078.23, 1,845,248.56 and 520,178.03

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Solution

The fourth proportional to 1,230,078.23, 1,845,248.56 and 520,178.03 is: 780,322.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,078.23 : 1,845,248.56 = 520,178.03 : x
  2. Step 2: Convert to fraction form
    1,230,078.23/1,845,248.56 = 520,178.03/x
  3. Step 3: Cross multiply
    1,230,078.23x = 1,845,248.56 × 520,178.03
  4. Step 4: Simplify right side
    1,230,078.23x = 959,857,752,735.90
  5. Step 5: Solve for x
    x = 959,857,752,735.90/1,230,078.23
  6. Step 6: Final answer
    x = 780,322.53

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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.