Home / 1,002,921.50-1,505,100.52-426,948.60

Finding the Fourth Proportional to 1,002,921.50, 1,505,100.52 and 426,948.60

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Solution

The fourth proportional to 1,002,921.50, 1,505,100.52 and 426,948.60 is: 640,728.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,921.50 : 1,505,100.52 = 426,948.60 : x
  2. Step 2: Convert to fraction form
    1,002,921.50/1,505,100.52 = 426,948.60/x
  3. Step 3: Cross multiply
    1,002,921.50x = 1,505,100.52 × 426,948.60
  4. Step 4: Simplify right side
    1,002,921.50x = 642,600,559,873.27
  5. Step 5: Solve for x
    x = 642,600,559,873.27/1,002,921.50
  6. Step 6: Final answer
    x = 640,728.67

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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.