Home / 1,446,668.44-1,996,919.10-987,454.32

Finding the Fourth Proportional to 1,446,668.44, 1,996,919.10 and 987,454.32

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Solution

The fourth proportional to 1,446,668.44, 1,996,919.10 and 987,454.32 is: 1,363,039.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,446,668.44 : 1,996,919.10 = 987,454.32 : x
  2. Step 2: Convert to fraction form
    1,446,668.44/1,996,919.10 = 987,454.32/x
  3. Step 3: Cross multiply
    1,446,668.44x = 1,996,919.10 × 987,454.32
  4. Step 4: Simplify right side
    1,446,668.44x = 1,971,866,391,985.51
  5. Step 5: Solve for x
    x = 1,971,866,391,985.51/1,446,668.44
  6. Step 6: Final answer
    x = 1,363,039.61

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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.