Home / 1,555,040.70-2,332,561.05-657,495.90

Finding the Fourth Proportional to 1,555,040.70, 2,332,561.05 and 657,495.90

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Solution

The fourth proportional to 1,555,040.70, 2,332,561.05 and 657,495.90 is: 986,243.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,040.70 : 2,332,561.05 = 657,495.90 : x
  2. Step 2: Convert to fraction form
    1,555,040.70/2,332,561.05 = 657,495.90/x
  3. Step 3: Cross multiply
    1,555,040.70x = 2,332,561.05 × 657,495.90
  4. Step 4: Simplify right side
    1,555,040.70x = 1,533,649,326,874.69
  5. Step 5: Solve for x
    x = 1,533,649,326,874.69/1,555,040.70
  6. Step 6: Final answer
    x = 986,243.85

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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.