Home / 1,815,090.48-2,504,729.75-999,134.78

Finding the Fourth Proportional to 1,815,090.48, 2,504,729.75 and 999,134.78

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Solution

The fourth proportional to 1,815,090.48, 2,504,729.75 and 999,134.78 is: 1,378,753.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,090.48 : 2,504,729.75 = 999,134.78 : x
  2. Step 2: Convert to fraction form
    1,815,090.48/2,504,729.75 = 999,134.78/x
  3. Step 3: Cross multiply
    1,815,090.48x = 2,504,729.75 × 999,134.78
  4. Step 4: Simplify right side
    1,815,090.48x = 2,502,562,607,725.71
  5. Step 5: Solve for x
    x = 2,502,562,607,725.71/1,815,090.48
  6. Step 6: Final answer
    x = 1,378,753.64

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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.