Home / 1,007,765.28-1,510,790.40-446,493.60

Finding the Fourth Proportional to 1,007,765.28, 1,510,790.40 and 446,493.60

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Solution

The fourth proportional to 1,007,765.28, 1,510,790.40 and 446,493.60 is: 669,360.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,765.28 : 1,510,790.40 = 446,493.60 : x
  2. Step 2: Convert to fraction form
    1,007,765.28/1,510,790.40 = 446,493.60/x
  3. Step 3: Cross multiply
    1,007,765.28x = 1,510,790.40 × 446,493.60
  4. Step 4: Simplify right side
    1,007,765.28x = 674,558,244,541.44
  5. Step 5: Solve for x
    x = 674,558,244,541.44/1,007,765.28
  6. Step 6: Final answer
    x = 669,360.47

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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.