Home / 971,148.80-1,456,723.20-908,940.80

Finding the Fourth Proportional to 971,148.80, 1,456,723.20 and 908,940.80

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Solution

The fourth proportional to 971,148.80, 1,456,723.20 and 908,940.80 is: 1,363,411.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,148.80 : 1,456,723.20 = 908,940.80 : x
  2. Step 2: Convert to fraction form
    971,148.80/1,456,723.20 = 908,940.80/x
  3. Step 3: Cross multiply
    971,148.80x = 1,456,723.20 × 908,940.80
  4. Step 4: Simplify right side
    971,148.80x = 1,324,075,150,786.56
  5. Step 5: Solve for x
    x = 1,324,075,150,786.56/971,148.80
  6. Step 6: Final answer
    x = 1,363,411.20

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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.