Home / 1,338,541.28-2,007,057.40-439,741.69

Finding the Fourth Proportional to 1,338,541.28, 2,007,057.40 and 439,741.69

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Solution

The fourth proportional to 1,338,541.28, 2,007,057.40 and 439,741.69 is: 659,364.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,541.28 : 2,007,057.40 = 439,741.69 : x
  2. Step 2: Convert to fraction form
    1,338,541.28/2,007,057.40 = 439,741.69/x
  3. Step 3: Cross multiply
    1,338,541.28x = 2,007,057.40 × 439,741.69
  4. Step 4: Simplify right side
    1,338,541.28x = 882,586,802,967.72
  5. Step 5: Solve for x
    x = 882,586,802,967.72/1,338,541.28
  6. Step 6: Final answer
    x = 659,364.65

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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.