Home / 1,308,535.16-1,805,511.37-764,565.85

Finding the Fourth Proportional to 1,308,535.16, 1,805,511.37 and 764,565.85

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Solution

The fourth proportional to 1,308,535.16, 1,805,511.37 and 764,565.85 is: 1,054,944.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,535.16 : 1,805,511.37 = 764,565.85 : x
  2. Step 2: Convert to fraction form
    1,308,535.16/1,805,511.37 = 764,565.85/x
  3. Step 3: Cross multiply
    1,308,535.16x = 1,805,511.37 × 764,565.85
  4. Step 4: Simplify right side
    1,308,535.16x = 1,380,432,322,438.33
  5. Step 5: Solve for x
    x = 1,380,432,322,438.33/1,308,535.16
  6. Step 6: Final answer
    x = 1,054,944.77

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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.