Home / 1,471,808.30-2,031,263.73-818,499.42

Finding the Fourth Proportional to 1,471,808.30, 2,031,263.73 and 818,499.42

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Solution

The fourth proportional to 1,471,808.30, 2,031,263.73 and 818,499.42 is: 1,129,622.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,471,808.30 : 2,031,263.73 = 818,499.42 : x
  2. Step 2: Convert to fraction form
    1,471,808.30/2,031,263.73 = 818,499.42/x
  3. Step 3: Cross multiply
    1,471,808.30x = 2,031,263.73 × 818,499.42
  4. Step 4: Simplify right side
    1,471,808.30x = 1,662,588,184,872.04
  5. Step 5: Solve for x
    x = 1,662,588,184,872.04/1,471,808.30
  6. Step 6: Final answer
    x = 1,129,622.78

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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.