Home / 1,768,141.89-2,440,465.55-1,080,392.89

Finding the Fourth Proportional to 1,768,141.89, 2,440,465.55 and 1,080,392.89

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Solution

The fourth proportional to 1,768,141.89, 2,440,465.55 and 1,080,392.89 is: 1,491,204.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768,141.89 : 2,440,465.55 = 1,080,392.89 : x
  2. Step 2: Convert to fraction form
    1,768,141.89/2,440,465.55 = 1,080,392.89/x
  3. Step 3: Cross multiply
    1,768,141.89x = 2,440,465.55 × 1,080,392.89
  4. Step 4: Simplify right side
    1,768,141.89x = 2,636,661,628,509.94
  5. Step 5: Solve for x
    x = 2,636,661,628,509.94/1,768,141.89
  6. Step 6: Final answer
    x = 1,491,204.77

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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.