Home / 1,642,634.39-2,266,811.57-917,492.42

Finding the Fourth Proportional to 1,642,634.39, 2,266,811.57 and 917,492.42

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Solution

The fourth proportional to 1,642,634.39, 2,266,811.57 and 917,492.42 is: 1,266,126.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,634.39 : 2,266,811.57 = 917,492.42 : x
  2. Step 2: Convert to fraction form
    1,642,634.39/2,266,811.57 = 917,492.42/x
  3. Step 3: Cross multiply
    1,642,634.39x = 2,266,811.57 × 917,492.42
  4. Step 4: Simplify right side
    1,642,634.39x = 2,079,782,433,043.30
  5. Step 5: Solve for x
    x = 2,079,782,433,043.30/1,642,634.39
  6. Step 6: Final answer
    x = 1,266,126.20

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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.