Home / 1,338,523.93-2,007,639.01-391,903.93

Finding the Fourth Proportional to 1,338,523.93, 2,007,639.01 and 391,903.93

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Solution

The fourth proportional to 1,338,523.93, 2,007,639.01 and 391,903.93 is: 587,812.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,523.93 : 2,007,639.01 = 391,903.93 : x
  2. Step 2: Convert to fraction form
    1,338,523.93/2,007,639.01 = 391,903.93/x
  3. Step 3: Cross multiply
    1,338,523.93x = 2,007,639.01 × 391,903.93
  4. Step 4: Simplify right side
    1,338,523.93x = 786,801,618,040.31
  5. Step 5: Solve for x
    x = 786,801,618,040.31/1,338,523.93
  6. Step 6: Final answer
    x = 587,812.89

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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.