Home / 1,338,082.70-2,007,333.16-439,320.02

Finding the Fourth Proportional to 1,338,082.70, 2,007,333.16 and 439,320.02

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Solution

The fourth proportional to 1,338,082.70, 2,007,333.16 and 439,320.02 is: 659,048.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,082.70 : 2,007,333.16 = 439,320.02 : x
  2. Step 2: Convert to fraction form
    1,338,082.70/2,007,333.16 = 439,320.02/x
  3. Step 3: Cross multiply
    1,338,082.70x = 2,007,333.16 × 439,320.02
  4. Step 4: Simplify right side
    1,338,082.70x = 881,861,643,997.86
  5. Step 5: Solve for x
    x = 881,861,643,997.86/1,338,082.70
  6. Step 6: Final answer
    x = 659,048.69

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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.