Home / 1,140,325.22-1,710,879.06-430,556.24

Finding the Fourth Proportional to 1,140,325.22, 1,710,879.06 and 430,556.24

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Solution

The fourth proportional to 1,140,325.22, 1,710,879.06 and 430,556.24 is: 645,982.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,325.22 : 1,710,879.06 = 430,556.24 : x
  2. Step 2: Convert to fraction form
    1,140,325.22/1,710,879.06 = 430,556.24/x
  3. Step 3: Cross multiply
    1,140,325.22x = 1,710,879.06 × 430,556.24
  4. Step 4: Simplify right side
    1,140,325.22x = 736,629,655,168.33
  5. Step 5: Solve for x
    x = 736,629,655,168.33/1,140,325.22
  6. Step 6: Final answer
    x = 645,982.08

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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.