Home / 1,132,618.12-1,562,661.03-642,506.97

Finding the Fourth Proportional to 1,132,618.12, 1,562,661.03 and 642,506.97

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Solution

The fourth proportional to 1,132,618.12, 1,562,661.03 and 642,506.97 is: 886,459.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,618.12 : 1,562,661.03 = 642,506.97 : x
  2. Step 2: Convert to fraction form
    1,132,618.12/1,562,661.03 = 642,506.97/x
  3. Step 3: Cross multiply
    1,132,618.12x = 1,562,661.03 × 642,506.97
  4. Step 4: Simplify right side
    1,132,618.12x = 1,004,020,603,522.38
  5. Step 5: Solve for x
    x = 1,004,020,603,522.38/1,132,618.12
  6. Step 6: Final answer
    x = 886,459.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.