Home / 1,471,814.31-2,031,272.01-818,505.42

Finding the Fourth Proportional to 1,471,814.31, 2,031,272.01 and 818,505.42

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Solution

The fourth proportional to 1,471,814.31, 2,031,272.01 and 818,505.42 is: 1,129,631.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,471,814.31 : 2,031,272.01 = 818,505.42 : x
  2. Step 2: Convert to fraction form
    1,471,814.31/2,031,272.01 = 818,505.42/x
  3. Step 3: Cross multiply
    1,471,814.31x = 2,031,272.01 × 818,505.42
  4. Step 4: Simplify right side
    1,471,814.31x = 1,662,607,149,679.29
  5. Step 5: Solve for x
    x = 1,662,607,149,679.29/1,471,814.31
  6. Step 6: Final answer
    x = 1,129,631.05

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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.