Home / 1,329,359.04-1,993,972.32-487,844.64

Finding the Fourth Proportional to 1,329,359.04, 1,993,972.32 and 487,844.64

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Solution

The fourth proportional to 1,329,359.04, 1,993,972.32 and 487,844.64 is: 731,742.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,359.04 : 1,993,972.32 = 487,844.64 : x
  2. Step 2: Convert to fraction form
    1,329,359.04/1,993,972.32 = 487,844.64/x
  3. Step 3: Cross multiply
    1,329,359.04x = 1,993,972.32 × 487,844.64
  4. Step 4: Simplify right side
    1,329,359.04x = 972,748,708,620.37
  5. Step 5: Solve for x
    x = 972,748,708,620.37/1,329,359.04
  6. Step 6: Final answer
    x = 731,742.65

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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.