Home / 1,139,478.07-1,706,324.56-683,782.81

Finding the Fourth Proportional to 1,139,478.07, 1,706,324.56 and 683,782.81

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Solution

The fourth proportional to 1,139,478.07, 1,706,324.56 and 683,782.81 is: 1,023,938.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,478.07 : 1,706,324.56 = 683,782.81 : x
  2. Step 2: Convert to fraction form
    1,139,478.07/1,706,324.56 = 683,782.81/x
  3. Step 3: Cross multiply
    1,139,478.07x = 1,706,324.56 × 683,782.81
  4. Step 4: Simplify right side
    1,139,478.07x = 1,166,755,402,408.81
  5. Step 5: Solve for x
    x = 1,166,755,402,408.81/1,139,478.07
  6. Step 6: Final answer
    x = 1,023,938.44

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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.