Home / 1,757,696.46-2,636,647.50-678,214.82

Finding the Fourth Proportional to 1,757,696.46, 2,636,647.50 and 678,214.82

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Solution

The fourth proportional to 1,757,696.46, 2,636,647.50 and 678,214.82 is: 1,017,361.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,757,696.46 : 2,636,647.50 = 678,214.82 : x
  2. Step 2: Convert to fraction form
    1,757,696.46/2,636,647.50 = 678,214.82/x
  3. Step 3: Cross multiply
    1,757,696.46x = 2,636,647.50 × 678,214.82
  4. Step 4: Simplify right side
    1,757,696.46x = 1,788,213,418,750.87
  5. Step 5: Solve for x
    x = 1,788,213,418,750.87/1,757,696.46
  6. Step 6: Final answer
    x = 1,017,361.91

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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.