Home / 1,340,631.24-2,011,021.37-442,036.68

Finding the Fourth Proportional to 1,340,631.24, 2,011,021.37 and 442,036.68

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Solution

The fourth proportional to 1,340,631.24, 2,011,021.37 and 442,036.68 is: 663,079.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,631.24 : 2,011,021.37 = 442,036.68 : x
  2. Step 2: Convert to fraction form
    1,340,631.24/2,011,021.37 = 442,036.68/x
  3. Step 3: Cross multiply
    1,340,631.24x = 2,011,021.37 × 442,036.68
  4. Step 4: Simplify right side
    1,340,631.24x = 888,945,209,803.85
  5. Step 5: Solve for x
    x = 888,945,209,803.85/1,340,631.24
  6. Step 6: Final answer
    x = 663,079.59

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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.