Home / 1,452,119.29-2,178,315.53-427,450.24

Finding the Fourth Proportional to 1,452,119.29, 2,178,315.53 and 427,450.24

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Solution

The fourth proportional to 1,452,119.29, 2,178,315.53 and 427,450.24 is: 641,215.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452,119.29 : 2,178,315.53 = 427,450.24 : x
  2. Step 2: Convert to fraction form
    1,452,119.29/2,178,315.53 = 427,450.24/x
  3. Step 3: Cross multiply
    1,452,119.29x = 2,178,315.53 × 427,450.24
  4. Step 4: Simplify right side
    1,452,119.29x = 931,121,483,065.40
  5. Step 5: Solve for x
    x = 931,121,483,065.40/1,452,119.29
  6. Step 6: Final answer
    x = 641,215.56

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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.