Home / 1,095,910.74-1,643,093.37-421,425.36

Finding the Fourth Proportional to 1,095,910.74, 1,643,093.37 and 421,425.36

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Solution

The fourth proportional to 1,095,910.74, 1,643,093.37 and 421,425.36 is: 631,840.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,910.74 : 1,643,093.37 = 421,425.36 : x
  2. Step 2: Convert to fraction form
    1,095,910.74/1,643,093.37 = 421,425.36/x
  3. Step 3: Cross multiply
    1,095,910.74x = 1,643,093.37 × 421,425.36
  4. Step 4: Simplify right side
    1,095,910.74x = 692,441,214,965.86
  5. Step 5: Solve for x
    x = 692,441,214,965.86/1,095,910.74
  6. Step 6: Final answer
    x = 631,840.89

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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.