Home / 1,014,276.38-1,399,745.16-561,567.38

Finding the Fourth Proportional to 1,014,276.38, 1,399,745.16 and 561,567.38

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Solution

The fourth proportional to 1,014,276.38, 1,399,745.16 and 561,567.38 is: 774,987.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,276.38 : 1,399,745.16 = 561,567.38 : x
  2. Step 2: Convert to fraction form
    1,014,276.38/1,399,745.16 = 561,567.38/x
  3. Step 3: Cross multiply
    1,014,276.38x = 1,399,745.16 × 561,567.38
  4. Step 4: Simplify right side
    1,014,276.38x = 786,051,215,170.16
  5. Step 5: Solve for x
    x = 786,051,215,170.16/1,014,276.38
  6. Step 6: Final answer
    x = 774,987.21

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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.