Home / 1,809,420.70-2,496,823.82-1,045,457.86

Finding the Fourth Proportional to 1,809,420.70, 2,496,823.82 and 1,045,457.86

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Solution

The fourth proportional to 1,809,420.70, 2,496,823.82 and 1,045,457.86 is: 1,442,629.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809,420.70 : 2,496,823.82 = 1,045,457.86 : x
  2. Step 2: Convert to fraction form
    1,809,420.70/2,496,823.82 = 1,045,457.86/x
  3. Step 3: Cross multiply
    1,809,420.70x = 2,496,823.82 × 1,045,457.86
  4. Step 4: Simplify right side
    1,809,420.70x = 2,610,324,087,654.23
  5. Step 5: Solve for x
    x = 2,610,324,087,654.23/1,809,420.70
  6. Step 6: Final answer
    x = 1,442,629.73

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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.