Home / 1,429,027.82-1,972,050.62-784,458.98

Finding the Fourth Proportional to 1,429,027.82, 1,972,050.62 and 784,458.98

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Solution

The fourth proportional to 1,429,027.82, 1,972,050.62 and 784,458.98 is: 1,082,549.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,027.82 : 1,972,050.62 = 784,458.98 : x
  2. Step 2: Convert to fraction form
    1,429,027.82/1,972,050.62 = 784,458.98/x
  3. Step 3: Cross multiply
    1,429,027.82x = 1,972,050.62 × 784,458.98
  4. Step 4: Simplify right side
    1,429,027.82x = 1,546,992,817,873.57
  5. Step 5: Solve for x
    x = 1,546,992,817,873.57/1,429,027.82
  6. Step 6: Final answer
    x = 1,082,549.13

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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.