Home / 1,098,823.41-1,645,282.08-697,290.21

Finding the Fourth Proportional to 1,098,823.41, 1,645,282.08 and 697,290.21

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Solution

The fourth proportional to 1,098,823.41, 1,645,282.08 and 697,290.21 is: 1,044,061.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,823.41 : 1,645,282.08 = 697,290.21 : x
  2. Step 2: Convert to fraction form
    1,098,823.41/1,645,282.08 = 697,290.21/x
  3. Step 3: Cross multiply
    1,098,823.41x = 1,645,282.08 × 697,290.21
  4. Step 4: Simplify right side
    1,098,823.41x = 1,147,239,087,072.44
  5. Step 5: Solve for x
    x = 1,147,239,087,072.44/1,098,823.41
  6. Step 6: Final answer
    x = 1,044,061.38

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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.