Home / 1,751,221.40-2,626,637.70-489,176.60

Finding the Fourth Proportional to 1,751,221.40, 2,626,637.70 and 489,176.60

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Solution

The fourth proportional to 1,751,221.40, 2,626,637.70 and 489,176.60 is: 733,710.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,751,221.40 : 2,626,637.70 = 489,176.60 : x
  2. Step 2: Convert to fraction form
    1,751,221.40/2,626,637.70 = 489,176.60/x
  3. Step 3: Cross multiply
    1,751,221.40x = 2,626,637.70 × 489,176.60
  4. Step 4: Simplify right side
    1,751,221.40x = 1,284,889,699,517.82
  5. Step 5: Solve for x
    x = 1,284,889,699,517.82/1,751,221.40
  6. Step 6: Final answer
    x = 733,710.60

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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.