Home / 1,358,322.73-2,037,551.78-516,939.69

Finding the Fourth Proportional to 1,358,322.73, 2,037,551.78 and 516,939.69

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Solution

The fourth proportional to 1,358,322.73, 2,037,551.78 and 516,939.69 is: 775,435.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,322.73 : 2,037,551.78 = 516,939.69 : x
  2. Step 2: Convert to fraction form
    1,358,322.73/2,037,551.78 = 516,939.69/x
  3. Step 3: Cross multiply
    1,358,322.73x = 2,037,551.78 × 516,939.69
  4. Step 4: Simplify right side
    1,358,322.73x = 1,053,291,382,927.45
  5. Step 5: Solve for x
    x = 1,053,291,382,927.45/1,358,322.73
  6. Step 6: Final answer
    x = 775,435.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.