Home / 864,003.30-1,296,004.95-727,145.70

Finding the Fourth Proportional to 864,003.30, 1,296,004.95 and 727,145.70

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Solution

The fourth proportional to 864,003.30, 1,296,004.95 and 727,145.70 is: 1,090,718.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,003.30 : 1,296,004.95 = 727,145.70 : x
  2. Step 2: Convert to fraction form
    864,003.30/1,296,004.95 = 727,145.70/x
  3. Step 3: Cross multiply
    864,003.30x = 1,296,004.95 × 727,145.70
  4. Step 4: Simplify right side
    864,003.30x = 942,384,426,571.22
  5. Step 5: Solve for x
    x = 942,384,426,571.22/864,003.30
  6. Step 6: Final answer
    x = 1,090,718.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.