Home / 1,443,779.38-1,992,391.32-799,185.70

Finding the Fourth Proportional to 1,443,779.38, 1,992,391.32 and 799,185.70

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Solution

The fourth proportional to 1,443,779.38, 1,992,391.32 and 799,185.70 is: 1,102,862.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,779.38 : 1,992,391.32 = 799,185.70 : x
  2. Step 2: Convert to fraction form
    1,443,779.38/1,992,391.32 = 799,185.70/x
  3. Step 3: Cross multiply
    1,443,779.38x = 1,992,391.32 × 799,185.70
  4. Step 4: Simplify right side
    1,443,779.38x = 1,592,290,651,748.12
  5. Step 5: Solve for x
    x = 1,592,290,651,748.12/1,443,779.38
  6. Step 6: Final answer
    x = 1,102,862.86

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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.