Home / 887,418.24-1,331,127.40-810,435.84

Finding the Fourth Proportional to 887,418.24, 1,331,127.40 and 810,435.84

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Solution

The fourth proportional to 887,418.24, 1,331,127.40 and 810,435.84 is: 1,215,653.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,418.24 : 1,331,127.40 = 810,435.84 : x
  2. Step 2: Convert to fraction form
    887,418.24/1,331,127.40 = 810,435.84/x
  3. Step 3: Cross multiply
    887,418.24x = 1,331,127.40 × 810,435.84
  4. Step 4: Simplify right side
    887,418.24x = 1,078,793,352,566.02
  5. Step 5: Solve for x
    x = 1,078,793,352,566.02/887,418.24
  6. Step 6: Final answer
    x = 1,215,653.80

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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.