Home / 1,182,437.80-1,631,765.73-673,139.50

Finding the Fourth Proportional to 1,182,437.80, 1,631,765.73 and 673,139.50

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Solution

The fourth proportional to 1,182,437.80, 1,631,765.73 and 673,139.50 is: 928,933.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,437.80 : 1,631,765.73 = 673,139.50 : x
  2. Step 2: Convert to fraction form
    1,182,437.80/1,631,765.73 = 673,139.50/x
  3. Step 3: Cross multiply
    1,182,437.80x = 1,631,765.73 × 673,139.50
  4. Step 4: Simplify right side
    1,182,437.80x = 1,098,405,967,609.34
  5. Step 5: Solve for x
    x = 1,098,405,967,609.34/1,182,437.80
  6. Step 6: Final answer
    x = 928,933.40

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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.