Home / 1,361,535.09-2,042,524.31-402,087.80

Finding the Fourth Proportional to 1,361,535.09, 2,042,524.31 and 402,087.80

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Solution

The fourth proportional to 1,361,535.09, 2,042,524.31 and 402,087.80 is: 603,197.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,535.09 : 2,042,524.31 = 402,087.80 : x
  2. Step 2: Convert to fraction form
    1,361,535.09/2,042,524.31 = 402,087.80/x
  3. Step 3: Cross multiply
    1,361,535.09x = 2,042,524.31 × 402,087.80
  4. Step 4: Simplify right side
    1,361,535.09x = 821,274,094,031.36
  5. Step 5: Solve for x
    x = 821,274,094,031.36/1,361,535.09
  6. Step 6: Final answer
    x = 603,197.16

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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.