Home / 1,004,863.48-1,504,611.42-845,431

Finding the Fourth Proportional to 1,004,863.48, 1,504,611.42 and 845,431

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Solution

The fourth proportional to 1,004,863.48, 1,504,611.42 and 845,431 is: 1,265,888.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,863.48 : 1,504,611.42 = 845,431 : x
  2. Step 2: Convert to fraction form
    1,004,863.48/1,504,611.42 = 845,431/x
  3. Step 3: Cross multiply
    1,004,863.48x = 1,504,611.42 × 845,431
  4. Step 4: Simplify right side
    1,004,863.48x = 1,272,045,137,422.02
  5. Step 5: Solve for x
    x = 1,272,045,137,422.02/1,004,863.48
  6. Step 6: Final answer
    x = 1,265,888.51

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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.