Home / 1,489,632-2,055,674.88-810,556.80

Finding the Fourth Proportional to 1,489,632, 2,055,674.88 and 810,556.80

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Solution

The fourth proportional to 1,489,632, 2,055,674.88 and 810,556.80 is: 1,118,558.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,632 : 2,055,674.88 = 810,556.80 : x
  2. Step 2: Convert to fraction form
    1,489,632/2,055,674.88 = 810,556.80/x
  3. Step 3: Cross multiply
    1,489,632x = 2,055,674.88 × 810,556.80
  4. Step 4: Simplify right side
    1,489,632x = 1,666,241,252,573.18
  5. Step 5: Solve for x
    x = 1,666,241,252,573.18/1,489,632
  6. Step 6: Final answer
    x = 1,118,558.98

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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.