Home / 1,383,446.08-1,909,184.80-779,833.92

Finding the Fourth Proportional to 1,383,446.08, 1,909,184.80 and 779,833.92

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Solution

The fourth proportional to 1,383,446.08, 1,909,184.80 and 779,833.92 is: 1,076,187.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,446.08 : 1,909,184.80 = 779,833.92 : x
  2. Step 2: Convert to fraction form
    1,383,446.08/1,909,184.80 = 779,833.92/x
  3. Step 3: Cross multiply
    1,383,446.08x = 1,909,184.80 × 779,833.92
  4. Step 4: Simplify right side
    1,383,446.08x = 1,488,847,066,588.42
  5. Step 5: Solve for x
    x = 1,488,847,066,588.42/1,383,446.08
  6. Step 6: Final answer
    x = 1,076,187.27

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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.