Home / 1,349,250.69-1,861,962.82-768,473.71

Finding the Fourth Proportional to 1,349,250.69, 1,861,962.82 and 768,473.71

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Solution

The fourth proportional to 1,349,250.69, 1,861,962.82 and 768,473.71 is: 1,060,491.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,250.69 : 1,861,962.82 = 768,473.71 : x
  2. Step 2: Convert to fraction form
    1,349,250.69/1,861,962.82 = 768,473.71/x
  3. Step 3: Cross multiply
    1,349,250.69x = 1,861,962.82 × 768,473.71
  4. Step 4: Simplify right side
    1,349,250.69x = 1,430,869,469,591.37
  5. Step 5: Solve for x
    x = 1,430,869,469,591.37/1,349,250.69
  6. Step 6: Final answer
    x = 1,060,491.93

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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.