Home / 1,295,462.44-1,787,741.34-722,539.72

Finding the Fourth Proportional to 1,295,462.44, 1,787,741.34 and 722,539.72

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Solution

The fourth proportional to 1,295,462.44, 1,787,741.34 and 722,539.72 is: 997,106.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,462.44 : 1,787,741.34 = 722,539.72 : x
  2. Step 2: Convert to fraction form
    1,295,462.44/1,787,741.34 = 722,539.72/x
  3. Step 3: Cross multiply
    1,295,462.44x = 1,787,741.34 × 722,539.72
  4. Step 4: Simplify right side
    1,295,462.44x = 1,291,714,127,236.02
  5. Step 5: Solve for x
    x = 1,291,714,127,236.02/1,295,462.44
  6. Step 6: Final answer
    x = 997,106.58

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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.