Home / 918,895.68-1,376,936.64-618,262.56

Finding the Fourth Proportional to 918,895.68, 1,376,936.64 and 618,262.56

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Solution

The fourth proportional to 918,895.68, 1,376,936.64 and 618,262.56 is: 926,447.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,895.68 : 1,376,936.64 = 618,262.56 : x
  2. Step 2: Convert to fraction form
    918,895.68/1,376,936.64 = 618,262.56/x
  3. Step 3: Cross multiply
    918,895.68x = 1,376,936.64 × 618,262.56
  4. Step 4: Simplify right side
    918,895.68x = 851,308,372,004.20
  5. Step 5: Solve for x
    x = 851,308,372,004.20/918,895.68
  6. Step 6: Final answer
    x = 926,447.25

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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.