Home / 1,489,450.52-2,055,445.80-810,387.02

Finding the Fourth Proportional to 1,489,450.52, 2,055,445.80 and 810,387.02

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Solution

The fourth proportional to 1,489,450.52, 2,055,445.80 and 810,387.02 is: 1,118,336.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,450.52 : 2,055,445.80 = 810,387.02 : x
  2. Step 2: Convert to fraction form
    1,489,450.52/2,055,445.80 = 810,387.02/x
  3. Step 3: Cross multiply
    1,489,450.52x = 2,055,445.80 × 810,387.02
  4. Step 4: Simplify right side
    1,489,450.52x = 1,665,706,596,633.52
  5. Step 5: Solve for x
    x = 1,665,706,596,633.52/1,489,450.52
  6. Step 6: Final answer
    x = 1,118,336.31

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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.