Home / 1,622,407.41-2,433,425.21-424,445.35

Finding the Fourth Proportional to 1,622,407.41, 2,433,425.21 and 424,445.35

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Solution

The fourth proportional to 1,622,407.41, 2,433,425.21 and 424,445.35 is: 636,619.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622,407.41 : 2,433,425.21 = 424,445.35 : x
  2. Step 2: Convert to fraction form
    1,622,407.41/2,433,425.21 = 424,445.35/x
  3. Step 3: Cross multiply
    1,622,407.41x = 2,433,425.21 × 424,445.35
  4. Step 4: Simplify right side
    1,622,407.41x = 1,032,856,014,957.27
  5. Step 5: Solve for x
    x = 1,032,856,014,957.27/1,622,407.41
  6. Step 6: Final answer
    x = 636,619.39

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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.