Home / 879,286.40-1,318,929.60-741,046.40

Finding the Fourth Proportional to 879,286.40, 1,318,929.60 and 741,046.40

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Solution

The fourth proportional to 879,286.40, 1,318,929.60 and 741,046.40 is: 1,111,569.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,286.40 : 1,318,929.60 = 741,046.40 : x
  2. Step 2: Convert to fraction form
    879,286.40/1,318,929.60 = 741,046.40/x
  3. Step 3: Cross multiply
    879,286.40x = 1,318,929.60 × 741,046.40
  4. Step 4: Simplify right side
    879,286.40x = 977,388,031,933.44
  5. Step 5: Solve for x
    x = 977,388,031,933.44/879,286.40
  6. Step 6: Final answer
    x = 1,111,569.60

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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.