Home / 1,815,492.75-2,505,280.77-999,541.48

Finding the Fourth Proportional to 1,815,492.75, 2,505,280.77 and 999,541.48

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Solution

The fourth proportional to 1,815,492.75, 2,505,280.77 and 999,541.48 is: 1,379,312.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,492.75 : 2,505,280.77 = 999,541.48 : x
  2. Step 2: Convert to fraction form
    1,815,492.75/2,505,280.77 = 999,541.48/x
  3. Step 3: Cross multiply
    1,815,492.75x = 2,505,280.77 × 999,541.48
  4. Step 4: Simplify right side
    1,815,492.75x = 2,504,132,043,663.63
  5. Step 5: Solve for x
    x = 2,504,132,043,663.63/1,815,492.75
  6. Step 6: Final answer
    x = 1,379,312.61

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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.