Home / 1,110,212.37-1,532,130.21-680,409.45

Finding the Fourth Proportional to 1,110,212.37, 1,532,130.21 and 680,409.45

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Solution

The fourth proportional to 1,110,212.37, 1,532,130.21 and 680,409.45 is: 938,987.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,212.37 : 1,532,130.21 = 680,409.45 : x
  2. Step 2: Convert to fraction form
    1,110,212.37/1,532,130.21 = 680,409.45/x
  3. Step 3: Cross multiply
    1,110,212.37x = 1,532,130.21 × 680,409.45
  4. Step 4: Simplify right side
    1,110,212.37x = 1,042,475,873,514.48
  5. Step 5: Solve for x
    x = 1,042,475,873,514.48/1,110,212.37
  6. Step 6: Final answer
    x = 938,987.80

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1.5x scale

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.