Home / 1,265,119-1,897,221.60-507,133.96

Finding the Fourth Proportional to 1,265,119, 1,897,221.60 and 507,133.96

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Solution

The fourth proportional to 1,265,119, 1,897,221.60 and 507,133.96 is: 760,517.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,119 : 1,897,221.60 = 507,133.96 : x
  2. Step 2: Convert to fraction form
    1,265,119/1,897,221.60 = 507,133.96/x
  3. Step 3: Cross multiply
    1,265,119x = 1,897,221.60 × 507,133.96
  4. Step 4: Simplify right side
    1,265,119x = 962,145,503,005.54
  5. Step 5: Solve for x
    x = 962,145,503,005.54/1,265,119
  6. Step 6: Final answer
    x = 760,517.79

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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.