Home / 1,635,668.12-2,259,111.71-1,090,857.05

Finding the Fourth Proportional to 1,635,668.12, 2,259,111.71 and 1,090,857.05

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Solution

The fourth proportional to 1,635,668.12, 2,259,111.71 and 1,090,857.05 is: 1,506,643.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635,668.12 : 2,259,111.71 = 1,090,857.05 : x
  2. Step 2: Convert to fraction form
    1,635,668.12/2,259,111.71 = 1,090,857.05/x
  3. Step 3: Cross multiply
    1,635,668.12x = 2,259,111.71 × 1,090,857.05
  4. Step 4: Simplify right side
    1,635,668.12x = 2,464,367,943,965.98
  5. Step 5: Solve for x
    x = 2,464,367,943,965.98/1,635,668.12
  6. Step 6: Final answer
    x = 1,506,643.02

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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.