Home / 1,087,609.14-1,631,496.77-329,513.40

Finding the Fourth Proportional to 1,087,609.14, 1,631,496.77 and 329,513.40

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Solution

The fourth proportional to 1,087,609.14, 1,631,496.77 and 329,513.40 is: 494,295.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,609.14 : 1,631,496.77 = 329,513.40 : x
  2. Step 2: Convert to fraction form
    1,087,609.14/1,631,496.77 = 329,513.40/x
  3. Step 3: Cross multiply
    1,087,609.14x = 1,631,496.77 × 329,513.40
  4. Step 4: Simplify right side
    1,087,609.14x = 537,600,047,771.72
  5. Step 5: Solve for x
    x = 537,600,047,771.72/1,087,609.14
  6. Step 6: Final answer
    x = 494,295.26

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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.