Home / 1,185,295.01-1,635,700.64-641,429.96

Finding the Fourth Proportional to 1,185,295.01, 1,635,700.64 and 641,429.96

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Solution

The fourth proportional to 1,185,295.01, 1,635,700.64 and 641,429.96 is: 885,169.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,295.01 : 1,635,700.64 = 641,429.96 : x
  2. Step 2: Convert to fraction form
    1,185,295.01/1,635,700.64 = 641,429.96/x
  3. Step 3: Cross multiply
    1,185,295.01x = 1,635,700.64 × 641,429.96
  4. Step 4: Simplify right side
    1,185,295.01x = 1,049,187,384,701.52
  5. Step 5: Solve for x
    x = 1,049,187,384,701.52/1,185,295.01
  6. Step 6: Final answer
    x = 885,169.84

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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.