Home / 1,004,338.62-1,385,399.43-678,213.18

Finding the Fourth Proportional to 1,004,338.62, 1,385,399.43 and 678,213.18

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Solution

The fourth proportional to 1,004,338.62, 1,385,399.43 and 678,213.18 is: 935,537.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,338.62 : 1,385,399.43 = 678,213.18 : x
  2. Step 2: Convert to fraction form
    1,004,338.62/1,385,399.43 = 678,213.18/x
  3. Step 3: Cross multiply
    1,004,338.62x = 1,385,399.43 × 678,213.18
  4. Step 4: Simplify right side
    1,004,338.62x = 939,596,152,990.49
  5. Step 5: Solve for x
    x = 939,596,152,990.49/1,004,338.62
  6. Step 6: Final answer
    x = 935,537.21

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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.