Home / 1,042,651.58-1,438,980.39-634,992.35

Finding the Fourth Proportional to 1,042,651.58, 1,438,980.39 and 634,992.35

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Solution

The fourth proportional to 1,042,651.58, 1,438,980.39 and 634,992.35 is: 876,363.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,651.58 : 1,438,980.39 = 634,992.35 : x
  2. Step 2: Convert to fraction form
    1,042,651.58/1,438,980.39 = 634,992.35/x
  3. Step 3: Cross multiply
    1,042,651.58x = 1,438,980.39 × 634,992.35
  4. Step 4: Simplify right side
    1,042,651.58x = 913,741,532,255.12
  5. Step 5: Solve for x
    x = 913,741,532,255.12/1,042,651.58
  6. Step 6: Final answer
    x = 876,363.26

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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.