Home / 1,013,599.70-1,520,205.15-303,650.90

Finding the Fourth Proportional to 1,013,599.70, 1,520,205.15 and 303,650.90

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Solution

The fourth proportional to 1,013,599.70, 1,520,205.15 and 303,650.90 is: 455,418.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,599.70 : 1,520,205.15 = 303,650.90 : x
  2. Step 2: Convert to fraction form
    1,013,599.70/1,520,205.15 = 303,650.90/x
  3. Step 3: Cross multiply
    1,013,599.70x = 1,520,205.15 × 303,650.90
  4. Step 4: Simplify right side
    1,013,599.70x = 461,611,661,982.14
  5. Step 5: Solve for x
    x = 461,611,661,982.14/1,013,599.70
  6. Step 6: Final answer
    x = 455,418.11

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1.5x scale

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.