Home / 1,222,977.57-1,834,791.68-424,257.81

Finding the Fourth Proportional to 1,222,977.57, 1,834,791.68 and 424,257.81

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Solution

The fourth proportional to 1,222,977.57, 1,834,791.68 and 424,257.81 is: 636,499.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,977.57 : 1,834,791.68 = 424,257.81 : x
  2. Step 2: Convert to fraction form
    1,222,977.57/1,834,791.68 = 424,257.81/x
  3. Step 3: Cross multiply
    1,222,977.57x = 1,834,791.68 × 424,257.81
  4. Step 4: Simplify right side
    1,222,977.57x = 778,424,699,963.02
  5. Step 5: Solve for x
    x = 778,424,699,963.02/1,222,977.57
  6. Step 6: Final answer
    x = 636,499.57

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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.