Home / 1,347,013.89-2,019,447.98-777,749.26

Finding the Fourth Proportional to 1,347,013.89, 2,019,447.98 and 777,749.26

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Solution

The fourth proportional to 1,347,013.89, 2,019,447.98 and 777,749.26 is: 1,166,004.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,013.89 : 2,019,447.98 = 777,749.26 : x
  2. Step 2: Convert to fraction form
    1,347,013.89/2,019,447.98 = 777,749.26/x
  3. Step 3: Cross multiply
    1,347,013.89x = 2,019,447.98 × 777,749.26
  4. Step 4: Simplify right side
    1,347,013.89x = 1,570,624,158,565.27
  5. Step 5: Solve for x
    x = 1,570,624,158,565.27/1,347,013.89
  6. Step 6: Final answer
    x = 1,166,004.43

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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.