Home / 962,921.64-1,330,216.02-769,074.84

Finding the Fourth Proportional to 962,921.64, 1,330,216.02 and 769,074.84

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Solution

The fourth proportional to 962,921.64, 1,330,216.02 and 769,074.84 is: 1,062,428.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,921.64 : 1,330,216.02 = 769,074.84 : x
  2. Step 2: Convert to fraction form
    962,921.64/1,330,216.02 = 769,074.84/x
  3. Step 3: Cross multiply
    962,921.64x = 1,330,216.02 × 769,074.84
  4. Step 4: Simplify right side
    962,921.64x = 1,023,035,672,746.94
  5. Step 5: Solve for x
    x = 1,023,035,672,746.94/962,921.64
  6. Step 6: Final answer
    x = 1,062,428.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.