Home / 1,303,243.80-1,954,865.70-988,315.80

Finding the Fourth Proportional to 1,303,243.80, 1,954,865.70 and 988,315.80

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Solution

The fourth proportional to 1,303,243.80, 1,954,865.70 and 988,315.80 is: 1,482,473.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,243.80 : 1,954,865.70 = 988,315.80 : x
  2. Step 2: Convert to fraction form
    1,303,243.80/1,954,865.70 = 988,315.80/x
  3. Step 3: Cross multiply
    1,303,243.80x = 1,954,865.70 × 988,315.80
  4. Step 4: Simplify right side
    1,303,243.80x = 1,932,024,658,188.06
  5. Step 5: Solve for x
    x = 1,932,024,658,188.06/1,303,243.80
  6. Step 6: Final answer
    x = 1,482,473.70

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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.