Home / 1,357,690.23-1,873,404.45-784,619.82

Finding the Fourth Proportional to 1,357,690.23, 1,873,404.45 and 784,619.82

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Solution

The fourth proportional to 1,357,690.23, 1,873,404.45 and 784,619.82 is: 1,082,655.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,690.23 : 1,873,404.45 = 784,619.82 : x
  2. Step 2: Convert to fraction form
    1,357,690.23/1,873,404.45 = 784,619.82/x
  3. Step 3: Cross multiply
    1,357,690.23x = 1,873,404.45 × 784,619.82
  4. Step 4: Simplify right side
    1,357,690.23x = 1,469,910,262,346.20
  5. Step 5: Solve for x
    x = 1,469,910,262,346.20/1,357,690.23
  6. Step 6: Final answer
    x = 1,082,655.11

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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.