Home / 1,186,745.40-1,780,093.46-288,191.84

Finding the Fourth Proportional to 1,186,745.40, 1,780,093.46 and 288,191.84

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Solution

The fourth proportional to 1,186,745.40, 1,780,093.46 and 288,191.84 is: 432,281.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,745.40 : 1,780,093.46 = 288,191.84 : x
  2. Step 2: Convert to fraction form
    1,186,745.40/1,780,093.46 = 288,191.84/x
  3. Step 3: Cross multiply
    1,186,745.40x = 1,780,093.46 × 288,191.84
  4. Step 4: Simplify right side
    1,186,745.40x = 513,008,401,429.38
  5. Step 5: Solve for x
    x = 513,008,401,429.38/1,186,745.40
  6. Step 6: Final answer
    x = 432,281.77

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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.