Home / 1,590,046.20-2,194,653.48-902,120.76

Finding the Fourth Proportional to 1,590,046.20, 2,194,653.48 and 902,120.76

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Solution

The fourth proportional to 1,590,046.20, 2,194,653.48 and 902,120.76 is: 1,245,147.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590,046.20 : 2,194,653.48 = 902,120.76 : x
  2. Step 2: Convert to fraction form
    1,590,046.20/2,194,653.48 = 902,120.76/x
  3. Step 3: Cross multiply
    1,590,046.20x = 2,194,653.48 × 902,120.76
  4. Step 4: Simplify right side
    1,590,046.20x = 1,979,842,465,314.25
  5. Step 5: Solve for x
    x = 1,979,842,465,314.25/1,590,046.20
  6. Step 6: Final answer
    x = 1,245,147.76

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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.