Home / 1,015,400.40-1,523,100.60-384,334.80

Finding the Fourth Proportional to 1,015,400.40, 1,523,100.60 and 384,334.80

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Solution

The fourth proportional to 1,015,400.40, 1,523,100.60 and 384,334.80 is: 576,502.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,400.40 : 1,523,100.60 = 384,334.80 : x
  2. Step 2: Convert to fraction form
    1,015,400.40/1,523,100.60 = 384,334.80/x
  3. Step 3: Cross multiply
    1,015,400.40x = 1,523,100.60 × 384,334.80
  4. Step 4: Simplify right side
    1,015,400.40x = 585,380,564,480.88
  5. Step 5: Solve for x
    x = 585,380,564,480.88/1,015,400.40
  6. Step 6: Final answer
    x = 576,502.20

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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.