Home / 1,005,394.05-1,508,077.80-247,242.06

Finding the Fourth Proportional to 1,005,394.05, 1,508,077.80 and 247,242.06

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Solution

The fourth proportional to 1,005,394.05, 1,508,077.80 and 247,242.06 is: 370,859.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,394.05 : 1,508,077.80 = 247,242.06 : x
  2. Step 2: Convert to fraction form
    1,005,394.05/1,508,077.80 = 247,242.06/x
  3. Step 3: Cross multiply
    1,005,394.05x = 1,508,077.80 × 247,242.06
  4. Step 4: Simplify right side
    1,005,394.05x = 372,860,261,912.27
  5. Step 5: Solve for x
    x = 372,860,261,912.27/1,005,394.05
  6. Step 6: Final answer
    x = 370,859.83

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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.