Home / 1,204,808.23-1,662,657.24-660,971.80

Finding the Fourth Proportional to 1,204,808.23, 1,662,657.24 and 660,971.80

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Solution

The fourth proportional to 1,204,808.23, 1,662,657.24 and 660,971.80 is: 912,153.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,808.23 : 1,662,657.24 = 660,971.80 : x
  2. Step 2: Convert to fraction form
    1,204,808.23/1,662,657.24 = 660,971.80/x
  3. Step 3: Cross multiply
    1,204,808.23x = 1,662,657.24 × 660,971.80
  4. Step 4: Simplify right side
    1,204,808.23x = 1,098,969,548,705.83
  5. Step 5: Solve for x
    x = 1,098,969,548,705.83/1,204,808.23
  6. Step 6: Final answer
    x = 912,153.09

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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.