Home / 988,975.80-1,483,463.70-890,998.20

Finding the Fourth Proportional to 988,975.80, 1,483,463.70 and 890,998.20

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Solution

The fourth proportional to 988,975.80, 1,483,463.70 and 890,998.20 is: 1,336,497.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,975.80 : 1,483,463.70 = 890,998.20 : x
  2. Step 2: Convert to fraction form
    988,975.80/1,483,463.70 = 890,998.20/x
  3. Step 3: Cross multiply
    988,975.80x = 1,483,463.70 × 890,998.20
  4. Step 4: Simplify right side
    988,975.80x = 1,321,763,486,465.34
  5. Step 5: Solve for x
    x = 1,321,763,486,465.34/988,975.80
  6. Step 6: Final answer
    x = 1,336,497.30

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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.