Home / 1,320,054.21-1,980,914.29-561,894.50

Finding the Fourth Proportional to 1,320,054.21, 1,980,914.29 and 561,894.50

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Solution

The fourth proportional to 1,320,054.21, 1,980,914.29 and 561,894.50 is: 843,196.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,054.21 : 1,980,914.29 = 561,894.50 : x
  2. Step 2: Convert to fraction form
    1,320,054.21/1,980,914.29 = 561,894.50/x
  3. Step 3: Cross multiply
    1,320,054.21x = 1,980,914.29 × 561,894.50
  4. Step 4: Simplify right side
    1,320,054.21x = 1,113,064,848,069.95
  5. Step 5: Solve for x
    x = 1,113,064,848,069.95/1,320,054.21
  6. Step 6: Final answer
    x = 843,196.32

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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.