Home / 1,379,779.60-1,904,093.16-776,167.60

Finding the Fourth Proportional to 1,379,779.60, 1,904,093.16 and 776,167.60

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Solution

The fourth proportional to 1,379,779.60, 1,904,093.16 and 776,167.60 is: 1,071,109.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,779.60 : 1,904,093.16 = 776,167.60 : x
  2. Step 2: Convert to fraction form
    1,379,779.60/1,904,093.16 = 776,167.60/x
  3. Step 3: Cross multiply
    1,379,779.60x = 1,904,093.16 × 776,167.60
  4. Step 4: Simplify right side
    1,379,779.60x = 1,477,895,418,173.62
  5. Step 5: Solve for x
    x = 1,477,895,418,173.62/1,379,779.60
  6. Step 6: Final answer
    x = 1,071,109.78

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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.