Home / 1,622,405.90-2,433,422.96-424,443.85

Finding the Fourth Proportional to 1,622,405.90, 2,433,422.96 and 424,443.85

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Solution

The fourth proportional to 1,622,405.90, 2,433,422.96 and 424,443.85 is: 636,617.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622,405.90 : 2,433,422.96 = 424,443.85 : x
  2. Step 2: Convert to fraction form
    1,622,405.90/2,433,422.96 = 424,443.85/x
  3. Step 3: Cross multiply
    1,622,405.90x = 2,433,422.96 × 424,443.85
  4. Step 4: Simplify right side
    1,622,405.90x = 1,032,851,403,206.68
  5. Step 5: Solve for x
    x = 1,032,851,403,206.68/1,622,405.90
  6. Step 6: Final answer
    x = 636,617.14

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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.