Home / 1,170,087.40-1,755,131.10-1,025,453.80

Finding the Fourth Proportional to 1,170,087.40, 1,755,131.10 and 1,025,453.80

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Solution

The fourth proportional to 1,170,087.40, 1,755,131.10 and 1,025,453.80 is: 1,538,180.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,087.40 : 1,755,131.10 = 1,025,453.80 : x
  2. Step 2: Convert to fraction form
    1,170,087.40/1,755,131.10 = 1,025,453.80/x
  3. Step 3: Cross multiply
    1,170,087.40x = 1,755,131.10 × 1,025,453.80
  4. Step 4: Simplify right side
    1,170,087.40x = 1,799,805,855,993.18
  5. Step 5: Solve for x
    x = 1,799,805,855,993.18/1,170,087.40
  6. Step 6: Final answer
    x = 1,538,180.70

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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.