Home / 1,212,410.63-1,818,688.85-370,969.67

Finding the Fourth Proportional to 1,212,410.63, 1,818,688.85 and 370,969.67

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Solution

The fourth proportional to 1,212,410.63, 1,818,688.85 and 370,969.67 is: 556,476.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,410.63 : 1,818,688.85 = 370,969.67 : x
  2. Step 2: Convert to fraction form
    1,212,410.63/1,818,688.85 = 370,969.67/x
  3. Step 3: Cross multiply
    1,212,410.63x = 1,818,688.85 × 370,969.67
  4. Step 4: Simplify right side
    1,212,410.63x = 674,678,391,568.89
  5. Step 5: Solve for x
    x = 674,678,391,568.89/1,212,410.63
  6. Step 6: Final answer
    x = 556,476.81

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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.