Home / 1,351,858.12-1,865,436.61-807,885.61

Finding the Fourth Proportional to 1,351,858.12, 1,865,436.61 and 807,885.61

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Solution

The fourth proportional to 1,351,858.12, 1,865,436.61 and 807,885.61 is: 1,114,805.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,858.12 : 1,865,436.61 = 807,885.61 : x
  2. Step 2: Convert to fraction form
    1,351,858.12/1,865,436.61 = 807,885.61/x
  3. Step 3: Cross multiply
    1,351,858.12x = 1,865,436.61 × 807,885.61
  4. Step 4: Simplify right side
    1,351,858.12x = 1,507,059,393,586.18
  5. Step 5: Solve for x
    x = 1,507,059,393,586.18/1,351,858.12
  6. Step 6: Final answer
    x = 1,114,805.89

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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.