Home / 1,209,880.36-1,815,093.94-400,262.88

Finding the Fourth Proportional to 1,209,880.36, 1,815,093.94 and 400,262.88

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Solution

The fourth proportional to 1,209,880.36, 1,815,093.94 and 400,262.88 is: 600,484.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,880.36 : 1,815,093.94 = 400,262.88 : x
  2. Step 2: Convert to fraction form
    1,209,880.36/1,815,093.94 = 400,262.88/x
  3. Step 3: Cross multiply
    1,209,880.36x = 1,815,093.94 × 400,262.88
  4. Step 4: Simplify right side
    1,209,880.36x = 726,514,727,894.95
  5. Step 5: Solve for x
    x = 726,514,727,894.95/1,209,880.36
  6. Step 6: Final answer
    x = 600,484.77

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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.