Home / 1,412,902.32-1,949,814.36-768,329.52

Finding the Fourth Proportional to 1,412,902.32, 1,949,814.36 and 768,329.52

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Solution

The fourth proportional to 1,412,902.32, 1,949,814.36 and 768,329.52 is: 1,060,299.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,902.32 : 1,949,814.36 = 768,329.52 : x
  2. Step 2: Convert to fraction form
    1,412,902.32/1,949,814.36 = 768,329.52/x
  3. Step 3: Cross multiply
    1,412,902.32x = 1,949,814.36 × 768,329.52
  4. Step 4: Simplify right side
    1,412,902.32x = 1,498,099,931,307.91
  5. Step 5: Solve for x
    x = 1,498,099,931,307.91/1,412,902.32
  6. Step 6: Final answer
    x = 1,060,299.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.