Home / 1,118,145.69-1,542,998.94-683,290.17

Finding the Fourth Proportional to 1,118,145.69, 1,542,998.94 and 683,290.17

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Solution

The fourth proportional to 1,118,145.69, 1,542,998.94 and 683,290.17 is: 942,914.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,145.69 : 1,542,998.94 = 683,290.17 : x
  2. Step 2: Convert to fraction form
    1,118,145.69/1,542,998.94 = 683,290.17/x
  3. Step 3: Cross multiply
    1,118,145.69x = 1,542,998.94 × 683,290.17
  4. Step 4: Simplify right side
    1,118,145.69x = 1,054,316,008,022.42
  5. Step 5: Solve for x
    x = 1,054,316,008,022.42/1,118,145.69
  6. Step 6: Final answer
    x = 942,914.70

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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.