Home / 1,676,146-2,312,678.07-987,845.26

Finding the Fourth Proportional to 1,676,146, 2,312,678.07 and 987,845.26

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Solution

The fourth proportional to 1,676,146, 2,312,678.07 and 987,845.26 is: 1,362,988.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,146 : 2,312,678.07 = 987,845.26 : x
  2. Step 2: Convert to fraction form
    1,676,146/2,312,678.07 = 987,845.26/x
  3. Step 3: Cross multiply
    1,676,146x = 2,312,678.07 × 987,845.26
  4. Step 4: Simplify right side
    1,676,146x = 2,284,568,069,355.45
  5. Step 5: Solve for x
    x = 2,284,568,069,355.45/1,676,146
  6. Step 6: Final answer
    x = 1,362,988.71

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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.