Home / 1,119,883.81-1,679,825.26-278,435.56

Finding the Fourth Proportional to 1,119,883.81, 1,679,825.26 and 278,435.56

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Solution

The fourth proportional to 1,119,883.81, 1,679,825.26 and 278,435.56 is: 417,653.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,883.81 : 1,679,825.26 = 278,435.56 : x
  2. Step 2: Convert to fraction form
    1,119,883.81/1,679,825.26 = 278,435.56/x
  3. Step 3: Cross multiply
    1,119,883.81x = 1,679,825.26 × 278,435.56
  4. Step 4: Simplify right side
    1,119,883.81x = 467,723,086,970.25
  5. Step 5: Solve for x
    x = 467,723,086,970.25/1,119,883.81
  6. Step 6: Final answer
    x = 417,653.23

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1.5x scale

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.