Home / 1,383,495.24-1,909,226.60-779,883.24

Finding the Fourth Proportional to 1,383,495.24, 1,909,226.60 and 779,883.24

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Solution

The fourth proportional to 1,383,495.24, 1,909,226.60 and 779,883.24 is: 1,076,240.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,495.24 : 1,909,226.60 = 779,883.24 : x
  2. Step 2: Convert to fraction form
    1,383,495.24/1,909,226.60 = 779,883.24/x
  3. Step 3: Cross multiply
    1,383,495.24x = 1,909,226.60 × 779,883.24
  4. Step 4: Simplify right side
    1,383,495.24x = 1,488,973,826,702.18
  5. Step 5: Solve for x
    x = 1,488,973,826,702.18/1,383,495.24
  6. Step 6: Final answer
    x = 1,076,240.66

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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.