Home / 1,185,389.60-1,772,835.60-996,432.80

Finding the Fourth Proportional to 1,185,389.60, 1,772,835.60 and 996,432.80

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Solution

The fourth proportional to 1,185,389.60, 1,772,835.60 and 996,432.80 is: 1,490,237.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,389.60 : 1,772,835.60 = 996,432.80 : x
  2. Step 2: Convert to fraction form
    1,185,389.60/1,772,835.60 = 996,432.80/x
  3. Step 3: Cross multiply
    1,185,389.60x = 1,772,835.60 × 996,432.80
  4. Step 4: Simplify right side
    1,185,389.60x = 1,766,511,540,847.68
  5. Step 5: Solve for x
    x = 1,766,511,540,847.68/1,185,389.60
  6. Step 6: Final answer
    x = 1,490,237.08

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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.