Home / 1,007,448.33-1,511,170.83-690,945.69

Finding the Fourth Proportional to 1,007,448.33, 1,511,170.83 and 690,945.69

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Solution

The fourth proportional to 1,007,448.33, 1,511,170.83 and 690,945.69 is: 1,036,417.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,448.33 : 1,511,170.83 = 690,945.69 : x
  2. Step 2: Convert to fraction form
    1,007,448.33/1,511,170.83 = 690,945.69/x
  3. Step 3: Cross multiply
    1,007,448.33x = 1,511,170.83 × 690,945.69
  4. Step 4: Simplify right side
    1,007,448.33x = 1,044,136,971,842.22
  5. Step 5: Solve for x
    x = 1,044,136,971,842.22/1,007,448.33
  6. Step 6: Final answer
    x = 1,036,417.39

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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.