Home / 1,048,636.80-1,571,918.40-416,707.20

Finding the Fourth Proportional to 1,048,636.80, 1,571,918.40 and 416,707.20

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Solution

The fourth proportional to 1,048,636.80, 1,571,918.40 and 416,707.20 is: 624,648.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,636.80 : 1,571,918.40 = 416,707.20 : x
  2. Step 2: Convert to fraction form
    1,048,636.80/1,571,918.40 = 416,707.20/x
  3. Step 3: Cross multiply
    1,048,636.80x = 1,571,918.40 × 416,707.20
  4. Step 4: Simplify right side
    1,048,636.80x = 655,029,715,092.48
  5. Step 5: Solve for x
    x = 655,029,715,092.48/1,048,636.80
  6. Step 6: Final answer
    x = 624,648.80

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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.