Home / 792,148.70-1,188,223.05-764,155.10

Finding the Fourth Proportional to 792,148.70, 1,188,223.05 and 764,155.10

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Solution

The fourth proportional to 792,148.70, 1,188,223.05 and 764,155.10 is: 1,146,232.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,148.70 : 1,188,223.05 = 764,155.10 : x
  2. Step 2: Convert to fraction form
    792,148.70/1,188,223.05 = 764,155.10/x
  3. Step 3: Cross multiply
    792,148.70x = 1,188,223.05 × 764,155.10
  4. Step 4: Simplify right side
    792,148.70x = 907,986,703,595.06
  5. Step 5: Solve for x
    x = 907,986,703,595.06/792,148.70
  6. Step 6: Final answer
    x = 1,146,232.65

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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.