Home / 864,002.30-1,296,003.45-727,144.70

Finding the Fourth Proportional to 864,002.30, 1,296,003.45 and 727,144.70

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Solution

The fourth proportional to 864,002.30, 1,296,003.45 and 727,144.70 is: 1,090,717.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,002.30 : 1,296,003.45 = 727,144.70 : x
  2. Step 2: Convert to fraction form
    864,002.30/1,296,003.45 = 727,144.70/x
  3. Step 3: Cross multiply
    864,002.30x = 1,296,003.45 × 727,144.70
  4. Step 4: Simplify right side
    864,002.30x = 942,382,039,849.22
  5. Step 5: Solve for x
    x = 942,382,039,849.22/864,002.30
  6. Step 6: Final answer
    x = 1,090,717.05

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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.