Home / 1,006,007.92-1,512,060.58-665,612.36

Finding the Fourth Proportional to 1,006,007.92, 1,512,060.58 and 665,612.36

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Solution

The fourth proportional to 1,006,007.92, 1,512,060.58 and 665,612.36 is: 1,000,435.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,007.92 : 1,512,060.58 = 665,612.36 : x
  2. Step 2: Convert to fraction form
    1,006,007.92/1,512,060.58 = 665,612.36/x
  3. Step 3: Cross multiply
    1,006,007.92x = 1,512,060.58 × 665,612.36
  4. Step 4: Simplify right side
    1,006,007.92x = 1,006,446,201,892.44
  5. Step 5: Solve for x
    x = 1,006,446,201,892.44/1,006,007.92
  6. Step 6: Final answer
    x = 1,000,435.67

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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.