Home / 1,299,543.80-1,949,315.70-984,615.80

Finding the Fourth Proportional to 1,299,543.80, 1,949,315.70 and 984,615.80

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Solution

The fourth proportional to 1,299,543.80, 1,949,315.70 and 984,615.80 is: 1,476,923.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,543.80 : 1,949,315.70 = 984,615.80 : x
  2. Step 2: Convert to fraction form
    1,299,543.80/1,949,315.70 = 984,615.80/x
  3. Step 3: Cross multiply
    1,299,543.80x = 1,949,315.70 × 984,615.80
  4. Step 4: Simplify right side
    1,299,543.80x = 1,919,327,037,408.06
  5. Step 5: Solve for x
    x = 1,919,327,037,408.06/1,299,543.80
  6. Step 6: Final answer
    x = 1,476,923.70

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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.