Home / 1,107,403.49-1,662,907.38-683,633.12

Finding the Fourth Proportional to 1,107,403.49, 1,662,907.38 and 683,633.12

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Solution

The fourth proportional to 1,107,403.49, 1,662,907.38 and 683,633.12 is: 1,026,562.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,403.49 : 1,662,907.38 = 683,633.12 : x
  2. Step 2: Convert to fraction form
    1,107,403.49/1,662,907.38 = 683,633.12/x
  3. Step 3: Cross multiply
    1,107,403.49x = 1,662,907.38 × 683,633.12
  4. Step 4: Simplify right side
    1,107,403.49x = 1,136,818,550,063.00
  5. Step 5: Solve for x
    x = 1,136,818,550,063.00/1,107,403.49
  6. Step 6: Final answer
    x = 1,026,562.19

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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.