Home / 1,608,790.64-2,220,517.73-920,861.33

Finding the Fourth Proportional to 1,608,790.64, 2,220,517.73 and 920,861.33

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Solution

The fourth proportional to 1,608,790.64, 2,220,517.73 and 920,861.33 is: 1,271,009.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608,790.64 : 2,220,517.73 = 920,861.33 : x
  2. Step 2: Convert to fraction form
    1,608,790.64/2,220,517.73 = 920,861.33/x
  3. Step 3: Cross multiply
    1,608,790.64x = 2,220,517.73 × 920,861.33
  4. Step 4: Simplify right side
    1,608,790.64x = 2,044,788,894,429.49
  5. Step 5: Solve for x
    x = 2,044,788,894,429.49/1,608,790.64
  6. Step 6: Final answer
    x = 1,271,009.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.