Home / 1,185,124.21-1,635,466.17-641,269.63

Finding the Fourth Proportional to 1,185,124.21, 1,635,466.17 and 641,269.63

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Solution

The fourth proportional to 1,185,124.21, 1,635,466.17 and 641,269.63 is: 884,949.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,124.21 : 1,635,466.17 = 641,269.63 : x
  2. Step 2: Convert to fraction form
    1,185,124.21/1,635,466.17 = 641,269.63/x
  3. Step 3: Cross multiply
    1,185,124.21x = 1,635,466.17 × 641,269.63
  4. Step 4: Simplify right side
    1,185,124.21x = 1,048,774,789,351.48
  5. Step 5: Solve for x
    x = 1,048,774,789,351.48/1,185,124.21
  6. Step 6: Final answer
    x = 884,949.25

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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.