Home / 1,003,928.56-1,385,423.52-545,043.71

Finding the Fourth Proportional to 1,003,928.56, 1,385,423.52 and 545,043.71

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Solution

The fourth proportional to 1,003,928.56, 1,385,423.52 and 545,043.71 is: 752,161.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,928.56 : 1,385,423.52 = 545,043.71 : x
  2. Step 2: Convert to fraction form
    1,003,928.56/1,385,423.52 = 545,043.71/x
  3. Step 3: Cross multiply
    1,003,928.56x = 1,385,423.52 × 545,043.71
  4. Step 4: Simplify right side
    1,003,928.56x = 755,116,375,262.06
  5. Step 5: Solve for x
    x = 755,116,375,262.06/1,003,928.56
  6. Step 6: Final answer
    x = 752,161.46

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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.