Home / 1,275,130.37-1,759,546.10-723,670.46

Finding the Fourth Proportional to 1,275,130.37, 1,759,546.10 and 723,670.46

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Solution

The fourth proportional to 1,275,130.37, 1,759,546.10 and 723,670.46 is: 998,589.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,130.37 : 1,759,546.10 = 723,670.46 : x
  2. Step 2: Convert to fraction form
    1,275,130.37/1,759,546.10 = 723,670.46/x
  3. Step 3: Cross multiply
    1,275,130.37x = 1,759,546.10 × 723,670.46
  4. Step 4: Simplify right side
    1,275,130.37x = 1,273,331,523,162.12
  5. Step 5: Solve for x
    x = 1,273,331,523,162.12/1,275,130.37
  6. Step 6: Final answer
    x = 998,589.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.