Home / 1,383,484.24-1,909,211.40-779,872.24

Finding the Fourth Proportional to 1,383,484.24, 1,909,211.40 and 779,872.24

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Solution

The fourth proportional to 1,383,484.24, 1,909,211.40 and 779,872.24 is: 1,076,225.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,484.24 : 1,909,211.40 = 779,872.24 : x
  2. Step 2: Convert to fraction form
    1,383,484.24/1,909,211.40 = 779,872.24/x
  3. Step 3: Cross multiply
    1,383,484.24x = 1,909,211.40 × 779,872.24
  4. Step 4: Simplify right side
    1,383,484.24x = 1,488,940,971,151.54
  5. Step 5: Solve for x
    x = 1,488,940,971,151.54/1,383,484.24
  6. Step 6: Final answer
    x = 1,076,225.47

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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.