Home / 1,605,362.44-2,215,499.70-889,970.44

Finding the Fourth Proportional to 1,605,362.44, 2,215,499.70 and 889,970.44

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Solution

The fourth proportional to 1,605,362.44, 2,215,499.70 and 889,970.44 is: 1,228,214.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,362.44 : 2,215,499.70 = 889,970.44 : x
  2. Step 2: Convert to fraction form
    1,605,362.44/2,215,499.70 = 889,970.44/x
  3. Step 3: Cross multiply
    1,605,362.44x = 2,215,499.70 × 889,970.44
  4. Step 4: Simplify right side
    1,605,362.44x = 1,971,729,242,828.87
  5. Step 5: Solve for x
    x = 1,971,729,242,828.87/1,605,362.44
  6. Step 6: Final answer
    x = 1,228,214.39

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1.5x scale

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.