Home / 1,040,074.60-1,557,779.10-853,450.60

Finding the Fourth Proportional to 1,040,074.60, 1,557,779.10 and 853,450.60

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Solution

The fourth proportional to 1,040,074.60, 1,557,779.10 and 853,450.60 is: 1,278,261.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,074.60 : 1,557,779.10 = 853,450.60 : x
  2. Step 2: Convert to fraction form
    1,040,074.60/1,557,779.10 = 853,450.60/x
  3. Step 3: Cross multiply
    1,040,074.60x = 1,557,779.10 × 853,450.60
  4. Step 4: Simplify right side
    1,040,074.60x = 1,329,487,507,562.46
  5. Step 5: Solve for x
    x = 1,329,487,507,562.46/1,040,074.60
  6. Step 6: Final answer
    x = 1,278,261.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.