Home / 1,306,926.60-1,959,490.80-665,989.80

Finding the Fourth Proportional to 1,306,926.60, 1,959,490.80 and 665,989.80

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Solution

The fourth proportional to 1,306,926.60, 1,959,490.80 and 665,989.80 is: 998,526.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,926.60 : 1,959,490.80 = 665,989.80 : x
  2. Step 2: Convert to fraction form
    1,306,926.60/1,959,490.80 = 665,989.80/x
  3. Step 3: Cross multiply
    1,306,926.60x = 1,959,490.80 × 665,989.80
  4. Step 4: Simplify right side
    1,306,926.60x = 1,305,000,885,993.84
  5. Step 5: Solve for x
    x = 1,305,000,885,993.84/1,306,926.60
  6. Step 6: Final answer
    x = 998,526.53

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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.