Home / 1,815,296.31-2,505,088.26-999,483.30

Finding the Fourth Proportional to 1,815,296.31, 2,505,088.26 and 999,483.30

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Solution

The fourth proportional to 1,815,296.31, 2,505,088.26 and 999,483.30 is: 1,379,275.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,296.31 : 2,505,088.26 = 999,483.30 : x
  2. Step 2: Convert to fraction form
    1,815,296.31/2,505,088.26 = 999,483.30/x
  3. Step 3: Cross multiply
    1,815,296.31x = 2,505,088.26 × 999,483.30
  4. Step 4: Simplify right side
    1,815,296.31x = 2,503,793,880,896.06
  5. Step 5: Solve for x
    x = 2,503,793,880,896.06/1,815,296.31
  6. Step 6: Final answer
    x = 1,379,275.59

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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.