Home / 918,286.89-1,370,486.27-894,372.05

Finding the Fourth Proportional to 918,286.89, 1,370,486.27 and 894,372.05

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Solution

The fourth proportional to 918,286.89, 1,370,486.27 and 894,372.05 is: 1,334,794.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,286.89 : 1,370,486.27 = 894,372.05 : x
  2. Step 2: Convert to fraction form
    918,286.89/1,370,486.27 = 894,372.05/x
  3. Step 3: Cross multiply
    918,286.89x = 1,370,486.27 × 894,372.05
  4. Step 4: Simplify right side
    918,286.89x = 1,225,724,603,472.46
  5. Step 5: Solve for x
    x = 1,225,724,603,472.46/918,286.89
  6. Step 6: Final answer
    x = 1,334,794.84

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.