Home / 1,110,398.58-1,534,932.45-990,725.94

Finding the Fourth Proportional to 1,110,398.58, 1,534,932.45 and 990,725.94

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Solution

The fourth proportional to 1,110,398.58, 1,534,932.45 and 990,725.94 is: 1,369,505.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,398.58 : 1,534,932.45 = 990,725.94 : x
  2. Step 2: Convert to fraction form
    1,110,398.58/1,534,932.45 = 990,725.94/x
  3. Step 3: Cross multiply
    1,110,398.58x = 1,534,932.45 × 990,725.94
  4. Step 4: Simplify right side
    1,110,398.58x = 1,520,697,394,362.75
  5. Step 5: Solve for x
    x = 1,520,697,394,362.75/1,110,398.58
  6. Step 6: Final answer
    x = 1,369,505.89

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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.