Home / 1,155,921.48-1,734,378.30-446,447.72

Finding the Fourth Proportional to 1,155,921.48, 1,734,378.30 and 446,447.72

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Solution

The fourth proportional to 1,155,921.48, 1,734,378.30 and 446,447.72 is: 669,863.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,921.48 : 1,734,378.30 = 446,447.72 : x
  2. Step 2: Convert to fraction form
    1,155,921.48/1,734,378.30 = 446,447.72/x
  3. Step 3: Cross multiply
    1,155,921.48x = 1,734,378.30 × 446,447.72
  4. Step 4: Simplify right side
    1,155,921.48x = 774,309,237,652.48
  5. Step 5: Solve for x
    x = 774,309,237,652.48/1,155,921.48
  6. Step 6: Final answer
    x = 669,863.18

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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.