Home / 1,118,147.69-1,543,001.70-683,292.17

Finding the Fourth Proportional to 1,118,147.69, 1,543,001.70 and 683,292.17

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Solution

The fourth proportional to 1,118,147.69, 1,543,001.70 and 683,292.17 is: 942,917.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,147.69 : 1,543,001.70 = 683,292.17 : x
  2. Step 2: Convert to fraction form
    1,118,147.69/1,543,001.70 = 683,292.17/x
  3. Step 3: Cross multiply
    1,118,147.69x = 1,543,001.70 × 683,292.17
  4. Step 4: Simplify right side
    1,118,147.69x = 1,054,320,972,191.68
  5. Step 5: Solve for x
    x = 1,054,320,972,191.68/1,118,147.69
  6. Step 6: Final answer
    x = 942,917.46

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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.