Home / 1,340,019.68-1,849,234.68-728,177.52

Finding the Fourth Proportional to 1,340,019.68, 1,849,234.68 and 728,177.52

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Solution

The fourth proportional to 1,340,019.68, 1,849,234.68 and 728,177.52 is: 1,004,889.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,019.68 : 1,849,234.68 = 728,177.52 : x
  2. Step 2: Convert to fraction form
    1,340,019.68/1,849,234.68 = 728,177.52/x
  3. Step 3: Cross multiply
    1,340,019.68x = 1,849,234.68 × 728,177.52
  4. Step 4: Simplify right side
    1,340,019.68x = 1,346,571,123,180.39
  5. Step 5: Solve for x
    x = 1,346,571,123,180.39/1,340,019.68
  6. Step 6: Final answer
    x = 1,004,889.06

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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.