Home / 1,008,220.80-1,512,158.40-376,809.60

Finding the Fourth Proportional to 1,008,220.80, 1,512,158.40 and 376,809.60

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Solution

The fourth proportional to 1,008,220.80, 1,512,158.40 and 376,809.60 is: 565,149.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,220.80 : 1,512,158.40 = 376,809.60 : x
  2. Step 2: Convert to fraction form
    1,008,220.80/1,512,158.40 = 376,809.60/x
  3. Step 3: Cross multiply
    1,008,220.80x = 1,512,158.40 × 376,809.60
  4. Step 4: Simplify right side
    1,008,220.80x = 569,795,801,840.64
  5. Step 5: Solve for x
    x = 569,795,801,840.64/1,008,220.80
  6. Step 6: Final answer
    x = 565,149.82

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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.