Home / 1,632,612.80-2,448,278.40-621,197.60

Finding the Fourth Proportional to 1,632,612.80, 2,448,278.40 and 621,197.60

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Solution

The fourth proportional to 1,632,612.80, 2,448,278.40 and 621,197.60 is: 931,552.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632,612.80 : 2,448,278.40 = 621,197.60 : x
  2. Step 2: Convert to fraction form
    1,632,612.80/2,448,278.40 = 621,197.60/x
  3. Step 3: Cross multiply
    1,632,612.80x = 2,448,278.40 × 621,197.60
  4. Step 4: Simplify right side
    1,632,612.80x = 1,520,864,666,211.84
  5. Step 5: Solve for x
    x = 1,520,864,666,211.84/1,632,612.80
  6. Step 6: Final answer
    x = 931,552.58

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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.