Home / 1,472,642.24-2,209,196.64-475,136.96

Finding the Fourth Proportional to 1,472,642.24, 2,209,196.64 and 475,136.96

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Solution

The fourth proportional to 1,472,642.24, 2,209,196.64 and 475,136.96 is: 712,780.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,642.24 : 2,209,196.64 = 475,136.96 : x
  2. Step 2: Convert to fraction form
    1,472,642.24/2,209,196.64 = 475,136.96/x
  3. Step 3: Cross multiply
    1,472,642.24x = 2,209,196.64 × 475,136.96
  4. Step 4: Simplify right side
    1,472,642.24x = 1,049,670,975,571.81
  5. Step 5: Solve for x
    x = 1,049,670,975,571.81/1,472,642.24
  6. Step 6: Final answer
    x = 712,780.71

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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.