Home / 1,266,905.08-1,900,357.58-320,275.80

Finding the Fourth Proportional to 1,266,905.08, 1,900,357.58 and 320,275.80

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Solution

The fourth proportional to 1,266,905.08, 1,900,357.58 and 320,275.80 is: 480,413.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,905.08 : 1,900,357.58 = 320,275.80 : x
  2. Step 2: Convert to fraction form
    1,266,905.08/1,900,357.58 = 320,275.80/x
  3. Step 3: Cross multiply
    1,266,905.08x = 1,900,357.58 × 320,275.80
  4. Step 4: Simplify right side
    1,266,905.08x = 608,638,544,220.56
  5. Step 5: Solve for x
    x = 608,638,544,220.56/1,266,905.08
  6. Step 6: Final answer
    x = 480,413.69

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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.