Home / 1,004,308.56-1,385,941.08-545,419.92

Finding the Fourth Proportional to 1,004,308.56, 1,385,941.08 and 545,419.92

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Solution

The fourth proportional to 1,004,308.56, 1,385,941.08 and 545,419.92 is: 752,676.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,308.56 : 1,385,941.08 = 545,419.92 : x
  2. Step 2: Convert to fraction form
    1,004,308.56/1,385,941.08 = 545,419.92/x
  3. Step 3: Cross multiply
    1,004,308.56x = 1,385,941.08 × 545,419.92
  4. Step 4: Simplify right side
    1,004,308.56x = 755,919,872,978.31
  5. Step 5: Solve for x
    x = 755,919,872,978.31/1,004,308.56
  6. Step 6: Final answer
    x = 752,676.92

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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.