Home / 1,185,132.24-1,635,477.20-641,277.60

Finding the Fourth Proportional to 1,185,132.24, 1,635,477.20 and 641,277.60

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Solution

The fourth proportional to 1,185,132.24, 1,635,477.20 and 641,277.60 is: 884,960.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,132.24 : 1,635,477.20 = 641,277.60 : x
  2. Step 2: Convert to fraction form
    1,185,132.24/1,635,477.20 = 641,277.60/x
  3. Step 3: Cross multiply
    1,185,132.24x = 1,635,477.20 × 641,277.60
  4. Step 4: Simplify right side
    1,185,132.24x = 1,048,794,893,670.72
  5. Step 5: Solve for x
    x = 1,048,794,893,670.72/1,185,132.24
  6. Step 6: Final answer
    x = 884,960.22

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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.