Home / 1,296,485.27-1,789,102.79-715,695.93

Finding the Fourth Proportional to 1,296,485.27, 1,789,102.79 and 715,695.93

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Solution

The fourth proportional to 1,296,485.27, 1,789,102.79 and 715,695.93 is: 987,634.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,485.27 : 1,789,102.79 = 715,695.93 : x
  2. Step 2: Convert to fraction form
    1,296,485.27/1,789,102.79 = 715,695.93/x
  3. Step 3: Cross multiply
    1,296,485.27x = 1,789,102.79 × 715,695.93
  4. Step 4: Simplify right side
    1,296,485.27x = 1,280,453,584,260.02
  5. Step 5: Solve for x
    x = 1,280,453,584,260.02/1,296,485.27
  6. Step 6: Final answer
    x = 987,634.50

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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.