Home / 1,185,359.55-1,635,796.34-641,495.48

Finding the Fourth Proportional to 1,185,359.55, 1,635,796.34 and 641,495.48

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Solution

The fourth proportional to 1,185,359.55, 1,635,796.34 and 641,495.48 is: 885,263.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,359.55 : 1,635,796.34 = 641,495.48 : x
  2. Step 2: Convert to fraction form
    1,185,359.55/1,635,796.34 = 641,495.48/x
  3. Step 3: Cross multiply
    1,185,359.55x = 1,635,796.34 × 641,495.48
  4. Step 4: Simplify right side
    1,185,359.55x = 1,049,355,946,924.08
  5. Step 5: Solve for x
    x = 1,049,355,946,924.08/1,185,359.55
  6. Step 6: Final answer
    x = 885,263.84

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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.