Home / 1,140,745.10-1,574,228.27-631,447.48

Finding the Fourth Proportional to 1,140,745.10, 1,574,228.27 and 631,447.48

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Solution

The fourth proportional to 1,140,745.10, 1,574,228.27 and 631,447.48 is: 871,397.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,745.10 : 1,574,228.27 = 631,447.48 : x
  2. Step 2: Convert to fraction form
    1,140,745.10/1,574,228.27 = 631,447.48/x
  3. Step 3: Cross multiply
    1,140,745.10x = 1,574,228.27 × 631,447.48
  4. Step 4: Simplify right side
    1,140,745.10x = 994,042,471,679.31
  5. Step 5: Solve for x
    x = 994,042,471,679.31/1,140,745.10
  6. Step 6: Final answer
    x = 871,397.54

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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.