Home / 1,104,738.64-1,524,524.80-621,303.60

Finding the Fourth Proportional to 1,104,738.64, 1,524,524.80 and 621,303.60

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Solution

The fourth proportional to 1,104,738.64, 1,524,524.80 and 621,303.60 is: 857,390.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,738.64 : 1,524,524.80 = 621,303.60 : x
  2. Step 2: Convert to fraction form
    1,104,738.64/1,524,524.80 = 621,303.60/x
  3. Step 3: Cross multiply
    1,104,738.64x = 1,524,524.80 × 621,303.60
  4. Step 4: Simplify right side
    1,104,738.64x = 947,192,746,529.28
  5. Step 5: Solve for x
    x = 947,192,746,529.28/1,104,738.64
  6. Step 6: Final answer
    x = 857,390.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.