Home / 945,346.40-1,418,019.60-908,604.80

Finding the Fourth Proportional to 945,346.40, 1,418,019.60 and 908,604.80

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Solution

The fourth proportional to 945,346.40, 1,418,019.60 and 908,604.80 is: 1,362,907.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,346.40 : 1,418,019.60 = 908,604.80 : x
  2. Step 2: Convert to fraction form
    945,346.40/1,418,019.60 = 908,604.80/x
  3. Step 3: Cross multiply
    945,346.40x = 1,418,019.60 × 908,604.80
  4. Step 4: Simplify right side
    945,346.40x = 1,288,419,415,054.08
  5. Step 5: Solve for x
    x = 1,288,419,415,054.08/945,346.40
  6. Step 6: Final answer
    x = 1,362,907.20

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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.