Home / 1,316,255.94-1,816,120.77-800,000.82

Finding the Fourth Proportional to 1,316,255.94, 1,816,120.77 and 800,000.82

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Solution

The fourth proportional to 1,316,255.94, 1,816,120.77 and 800,000.82 is: 1,103,811.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,255.94 : 1,816,120.77 = 800,000.82 : x
  2. Step 2: Convert to fraction form
    1,316,255.94/1,816,120.77 = 800,000.82/x
  3. Step 3: Cross multiply
    1,316,255.94x = 1,816,120.77 × 800,000.82
  4. Step 4: Simplify right side
    1,316,255.94x = 1,452,898,105,219.03
  5. Step 5: Solve for x
    x = 1,452,898,105,219.03/1,316,255.94
  6. Step 6: Final answer
    x = 1,103,811.24

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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.