Home / 1,729,131.20-2,595,232.80-1,018,270.40

Finding the Fourth Proportional to 1,729,131.20, 2,595,232.80 and 1,018,270.40

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Solution

The fourth proportional to 1,729,131.20, 2,595,232.80 and 1,018,270.40 is: 1,528,310.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,729,131.20 : 2,595,232.80 = 1,018,270.40 : x
  2. Step 2: Convert to fraction form
    1,729,131.20/2,595,232.80 = 1,018,270.40/x
  3. Step 3: Cross multiply
    1,729,131.20x = 2,595,232.80 × 1,018,270.40
  4. Step 4: Simplify right side
    1,729,131.20x = 2,642,648,741,349.12
  5. Step 5: Solve for x
    x = 2,642,648,741,349.12/1,729,131.20
  6. Step 6: Final answer
    x = 1,528,310.14

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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.