Home / 1,555,040.52-2,332,560.78-657,495.72

Finding the Fourth Proportional to 1,555,040.52, 2,332,560.78 and 657,495.72

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Solution

The fourth proportional to 1,555,040.52, 2,332,560.78 and 657,495.72 is: 986,243.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,040.52 : 2,332,560.78 = 657,495.72 : x
  2. Step 2: Convert to fraction form
    1,555,040.52/2,332,560.78 = 657,495.72/x
  3. Step 3: Cross multiply
    1,555,040.52x = 2,332,560.78 × 657,495.72
  4. Step 4: Simplify right side
    1,555,040.52x = 1,533,648,729,489.86
  5. Step 5: Solve for x
    x = 1,533,648,729,489.86/1,555,040.52
  6. Step 6: Final answer
    x = 986,243.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.