Home / 1,497,670.92-2,066,786.94-818,607.42

Finding the Fourth Proportional to 1,497,670.92, 2,066,786.94 and 818,607.42

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Solution

The fourth proportional to 1,497,670.92, 2,066,786.94 and 818,607.42 is: 1,129,678.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497,670.92 : 2,066,786.94 = 818,607.42 : x
  2. Step 2: Convert to fraction form
    1,497,670.92/2,066,786.94 = 818,607.42/x
  3. Step 3: Cross multiply
    1,497,670.92x = 2,066,786.94 × 818,607.42
  4. Step 4: Simplify right side
    1,497,670.92x = 1,691,887,124,643.09
  5. Step 5: Solve for x
    x = 1,691,887,124,643.09/1,497,670.92
  6. Step 6: Final answer
    x = 1,129,678.82

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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.