Home / 1,622,369.72-2,433,368.68-424,407.66

Finding the Fourth Proportional to 1,622,369.72, 2,433,368.68 and 424,407.66

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Solution

The fourth proportional to 1,622,369.72, 2,433,368.68 and 424,407.66 is: 636,562.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622,369.72 : 2,433,368.68 = 424,407.66 : x
  2. Step 2: Convert to fraction form
    1,622,369.72/2,433,368.68 = 424,407.66/x
  3. Step 3: Cross multiply
    1,622,369.72x = 2,433,368.68 × 424,407.66
  4. Step 4: Simplify right side
    1,622,369.72x = 1,032,740,307,396.09
  5. Step 5: Solve for x
    x = 1,032,740,307,396.09/1,622,369.72
  6. Step 6: Final answer
    x = 636,562.86

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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.