Home / 1,520,121.80-2,277,725.10-958,150.60

Finding the Fourth Proportional to 1,520,121.80, 2,277,725.10 and 958,150.60

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Solution

The fourth proportional to 1,520,121.80, 2,277,725.10 and 958,150.60 is: 1,435,676.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,121.80 : 2,277,725.10 = 958,150.60 : x
  2. Step 2: Convert to fraction form
    1,520,121.80/2,277,725.10 = 958,150.60/x
  3. Step 3: Cross multiply
    1,520,121.80x = 2,277,725.10 × 958,150.60
  4. Step 4: Simplify right side
    1,520,121.80x = 2,182,403,671,200.06
  5. Step 5: Solve for x
    x = 2,182,403,671,200.06/1,520,121.80
  6. Step 6: Final answer
    x = 1,435,676.85

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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.