Home / 1,604,084.42-2,213,635.19-878,977.28

Finding the Fourth Proportional to 1,604,084.42, 2,213,635.19 and 878,977.28

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Solution

The fourth proportional to 1,604,084.42, 2,213,635.19 and 878,977.28 is: 1,212,987.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,604,084.42 : 2,213,635.19 = 878,977.28 : x
  2. Step 2: Convert to fraction form
    1,604,084.42/2,213,635.19 = 878,977.28/x
  3. Step 3: Cross multiply
    1,604,084.42x = 2,213,635.19 × 878,977.28
  4. Step 4: Simplify right side
    1,604,084.42x = 1,945,735,022,755.42
  5. Step 5: Solve for x
    x = 1,945,735,022,755.42/1,604,084.42
  6. Step 6: Final answer
    x = 1,212,987.92

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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.