Home / 1,118,147.33-1,543,001.18-683,291.81

Finding the Fourth Proportional to 1,118,147.33, 1,543,001.18 and 683,291.81

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Solution

The fourth proportional to 1,118,147.33, 1,543,001.18 and 683,291.81 is: 942,916.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,147.33 : 1,543,001.18 = 683,291.81 : x
  2. Step 2: Convert to fraction form
    1,118,147.33/1,543,001.18 = 683,291.81/x
  3. Step 3: Cross multiply
    1,118,147.33x = 1,543,001.18 × 683,291.81
  4. Step 4: Simplify right side
    1,118,147.33x = 1,054,320,057,982.87
  5. Step 5: Solve for x
    x = 1,054,320,057,982.87/1,118,147.33
  6. Step 6: Final answer
    x = 942,916.94

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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.