Home / 1,622,418.35-2,433,441.63-424,456.31

Finding the Fourth Proportional to 1,622,418.35, 2,433,441.63 and 424,456.31

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Solution

The fourth proportional to 1,622,418.35, 2,433,441.63 and 424,456.31 is: 636,635.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622,418.35 : 2,433,441.63 = 424,456.31 : x
  2. Step 2: Convert to fraction form
    1,622,418.35/2,433,441.63 = 424,456.31/x
  3. Step 3: Cross multiply
    1,622,418.35x = 2,433,441.63 × 424,456.31
  4. Step 4: Simplify right side
    1,622,418.35x = 1,032,889,654,870.19
  5. Step 5: Solve for x
    x = 1,032,889,654,870.19/1,622,418.35
  6. Step 6: Final answer
    x = 636,635.83

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1.5x scale

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.