Home / 1,768,142.40-2,440,466.24-1,080,393.39

Finding the Fourth Proportional to 1,768,142.40, 2,440,466.24 and 1,080,393.39

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Solution

The fourth proportional to 1,768,142.40, 2,440,466.24 and 1,080,393.39 is: 1,491,205.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768,142.40 : 2,440,466.24 = 1,080,393.39 : x
  2. Step 2: Convert to fraction form
    1,768,142.40/2,440,466.24 = 1,080,393.39/x
  3. Step 3: Cross multiply
    1,768,142.40x = 2,440,466.24 × 1,080,393.39
  4. Step 4: Simplify right side
    1,768,142.40x = 2,636,663,588,812.19
  5. Step 5: Solve for x
    x = 2,636,663,588,812.19/1,768,142.40
  6. Step 6: Final answer
    x = 1,491,205.45

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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.