Home / 1,489,792.80-2,234,516.40-424,999.20

Finding the Fourth Proportional to 1,489,792.80, 2,234,516.40 and 424,999.20

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Solution

The fourth proportional to 1,489,792.80, 2,234,516.40 and 424,999.20 is: 637,449.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,792.80 : 2,234,516.40 = 424,999.20 : x
  2. Step 2: Convert to fraction form
    1,489,792.80/2,234,516.40 = 424,999.20/x
  3. Step 3: Cross multiply
    1,489,792.80x = 2,234,516.40 × 424,999.20
  4. Step 4: Simplify right side
    1,489,792.80x = 949,667,682,386.88
  5. Step 5: Solve for x
    x = 949,667,682,386.88/1,489,792.80
  6. Step 6: Final answer
    x = 637,449.50

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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.