Home / 1,189,286.40-1,783,929.60-302,822.40

Finding the Fourth Proportional to 1,189,286.40, 1,783,929.60 and 302,822.40

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Solution

The fourth proportional to 1,189,286.40, 1,783,929.60 and 302,822.40 is: 454,233.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,286.40 : 1,783,929.60 = 302,822.40 : x
  2. Step 2: Convert to fraction form
    1,189,286.40/1,783,929.60 = 302,822.40/x
  3. Step 3: Cross multiply
    1,189,286.40x = 1,783,929.60 × 302,822.40
  4. Step 4: Simplify right side
    1,189,286.40x = 540,213,842,903.04
  5. Step 5: Solve for x
    x = 540,213,842,903.04/1,189,286.40
  6. Step 6: Final answer
    x = 454,233.60

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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.