Home / 1,389,130.25-2,080,999.24-1,023,728.24

Finding the Fourth Proportional to 1,389,130.25, 2,080,999.24 and 1,023,728.24

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Solution

The fourth proportional to 1,389,130.25, 2,080,999.24 and 1,023,728.24 is: 1,533,605.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,130.25 : 2,080,999.24 = 1,023,728.24 : x
  2. Step 2: Convert to fraction form
    1,389,130.25/2,080,999.24 = 1,023,728.24/x
  3. Step 3: Cross multiply
    1,389,130.25x = 2,080,999.24 × 1,023,728.24
  4. Step 4: Simplify right side
    1,389,130.25x = 2,130,377,684,204.04
  5. Step 5: Solve for x
    x = 2,130,377,684,204.04/1,389,130.25
  6. Step 6: Final answer
    x = 1,533,605.43

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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.