Home / 1,040,056.55-1,557,421.44-719,764.93

Finding the Fourth Proportional to 1,040,056.55, 1,557,421.44 and 719,764.93

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Solution

The fourth proportional to 1,040,056.55, 1,557,421.44 and 719,764.93 is: 1,077,804.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,056.55 : 1,557,421.44 = 719,764.93 : x
  2. Step 2: Convert to fraction form
    1,040,056.55/1,557,421.44 = 719,764.93/x
  3. Step 3: Cross multiply
    1,040,056.55x = 1,557,421.44 × 719,764.93
  4. Step 4: Simplify right side
    1,040,056.55x = 1,120,977,333,742.10
  5. Step 5: Solve for x
    x = 1,120,977,333,742.10/1,040,056.55
  6. Step 6: Final answer
    x = 1,077,804.22

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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.