Home / 984,820.70-1,477,231.05-860,404.70

Finding the Fourth Proportional to 984,820.70, 1,477,231.05 and 860,404.70

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Solution

The fourth proportional to 984,820.70, 1,477,231.05 and 860,404.70 is: 1,290,607.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,820.70 : 1,477,231.05 = 860,404.70 : x
  2. Step 2: Convert to fraction form
    984,820.70/1,477,231.05 = 860,404.70/x
  3. Step 3: Cross multiply
    984,820.70x = 1,477,231.05 × 860,404.70
  4. Step 4: Simplify right side
    984,820.70x = 1,271,016,538,405.94
  5. Step 5: Solve for x
    x = 1,271,016,538,405.94/984,820.70
  6. Step 6: Final answer
    x = 1,290,607.05

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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.