Home / 1,347,021.56-2,019,459.50-777,756.96

Finding the Fourth Proportional to 1,347,021.56, 2,019,459.50 and 777,756.96

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Solution

The fourth proportional to 1,347,021.56, 2,019,459.50 and 777,756.96 is: 1,166,015.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,021.56 : 2,019,459.50 = 777,756.96 : x
  2. Step 2: Convert to fraction form
    1,347,021.56/2,019,459.50 = 777,756.96/x
  3. Step 3: Cross multiply
    1,347,021.56x = 2,019,459.50 × 777,756.96
  4. Step 4: Simplify right side
    1,347,021.56x = 1,570,648,681,563.12
  5. Step 5: Solve for x
    x = 1,570,648,681,563.12/1,347,021.56
  6. Step 6: Final answer
    x = 1,166,015.99

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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.