Home / 1,384,423.28-1,910,504.46-764,228.96

Finding the Fourth Proportional to 1,384,423.28, 1,910,504.46 and 764,228.96

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Solution

The fourth proportional to 1,384,423.28, 1,910,504.46 and 764,228.96 is: 1,054,636.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,423.28 : 1,910,504.46 = 764,228.96 : x
  2. Step 2: Convert to fraction form
    1,384,423.28/1,910,504.46 = 764,228.96/x
  3. Step 3: Cross multiply
    1,384,423.28x = 1,910,504.46 × 764,228.96
  4. Step 4: Simplify right side
    1,384,423.28x = 1,460,062,836,541.16
  5. Step 5: Solve for x
    x = 1,460,062,836,541.16/1,384,423.28
  6. Step 6: Final answer
    x = 1,054,636.15

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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.