Home / 1,278,903.24-1,764,908.15-698,156.33

Finding the Fourth Proportional to 1,278,903.24, 1,764,908.15 and 698,156.33

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Solution

The fourth proportional to 1,278,903.24, 1,764,908.15 and 698,156.33 is: 963,467.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,903.24 : 1,764,908.15 = 698,156.33 : x
  2. Step 2: Convert to fraction form
    1,278,903.24/1,764,908.15 = 698,156.33/x
  3. Step 3: Cross multiply
    1,278,903.24x = 1,764,908.15 × 698,156.33
  4. Step 4: Simplify right side
    1,278,903.24x = 1,232,181,784,475.77
  5. Step 5: Solve for x
    x = 1,232,181,784,475.77/1,278,903.24
  6. Step 6: Final answer
    x = 963,467.56

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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.