Home / 979,286.40-1,468,929.60-908,427.60

Finding the Fourth Proportional to 979,286.40, 1,468,929.60 and 908,427.60

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Solution

The fourth proportional to 979,286.40, 1,468,929.60 and 908,427.60 is: 1,362,641.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,286.40 : 1,468,929.60 = 908,427.60 : x
  2. Step 2: Convert to fraction form
    979,286.40/1,468,929.60 = 908,427.60/x
  3. Step 3: Cross multiply
    979,286.40x = 1,468,929.60 × 908,427.60
  4. Step 4: Simplify right side
    979,286.40x = 1,334,416,191,096.96
  5. Step 5: Solve for x
    x = 1,334,416,191,096.96/979,286.40
  6. Step 6: Final answer
    x = 1,362,641.40

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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.