Home / 1,008,056.55-1,512,084.83-693,128.55

Finding the Fourth Proportional to 1,008,056.55, 1,512,084.83 and 693,128.55

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Solution

The fourth proportional to 1,008,056.55, 1,512,084.83 and 693,128.55 is: 1,039,692.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,056.55 : 1,512,084.83 = 693,128.55 : x
  2. Step 2: Convert to fraction form
    1,008,056.55/1,512,084.83 = 693,128.55/x
  3. Step 3: Cross multiply
    1,008,056.55x = 1,512,084.83 × 693,128.55
  4. Step 4: Simplify right side
    1,008,056.55x = 1,048,069,162,229.25
  5. Step 5: Solve for x
    x = 1,048,069,162,229.25/1,008,056.55
  6. Step 6: Final answer
    x = 1,039,692.83

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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.