Home / 1,383,565.26-1,909,320.10-779,953.26

Finding the Fourth Proportional to 1,383,565.26, 1,909,320.10 and 779,953.26

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Solution

The fourth proportional to 1,383,565.26, 1,909,320.10 and 779,953.26 is: 1,076,335.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,565.26 : 1,909,320.10 = 779,953.26 : x
  2. Step 2: Convert to fraction form
    1,383,565.26/1,909,320.10 = 779,953.26/x
  3. Step 3: Cross multiply
    1,383,565.26x = 1,909,320.10 × 779,953.26
  4. Step 4: Simplify right side
    1,383,565.26x = 1,489,180,436,378.53
  5. Step 5: Solve for x
    x = 1,489,180,436,378.53/1,383,565.26
  6. Step 6: Final answer
    x = 1,076,335.52

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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.