Home / 1,757,698.77-2,636,650.97-678,217.14

Finding the Fourth Proportional to 1,757,698.77, 2,636,650.97 and 678,217.14

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Solution

The fourth proportional to 1,757,698.77, 2,636,650.97 and 678,217.14 is: 1,017,365.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,757,698.77 : 2,636,650.97 = 678,217.14 : x
  2. Step 2: Convert to fraction form
    1,757,698.77/2,636,650.97 = 678,217.14/x
  3. Step 3: Cross multiply
    1,757,698.77x = 2,636,650.97 × 678,217.14
  4. Step 4: Simplify right side
    1,757,698.77x = 1,788,221,880,051.63
  5. Step 5: Solve for x
    x = 1,788,221,880,051.63/1,757,698.77
  6. Step 6: Final answer
    x = 1,017,365.38

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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.