Home / 908,064.40-1,362,096.60-860,141.20

Finding the Fourth Proportional to 908,064.40, 1,362,096.60 and 860,141.20

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Solution

The fourth proportional to 908,064.40, 1,362,096.60 and 860,141.20 is: 1,290,211.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,064.40 : 1,362,096.60 = 860,141.20 : x
  2. Step 2: Convert to fraction form
    908,064.40/1,362,096.60 = 860,141.20/x
  3. Step 3: Cross multiply
    908,064.40x = 1,362,096.60 × 860,141.20
  4. Step 4: Simplify right side
    908,064.40x = 1,171,595,404,039.92
  5. Step 5: Solve for x
    x = 1,171,595,404,039.92/908,064.40
  6. Step 6: Final answer
    x = 1,290,211.80

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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.