Home / 748,185.12-1,127,327.04-617,982.48

Finding the Fourth Proportional to 748,185.12, 1,127,327.04 and 617,982.48

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Solution

The fourth proportional to 748,185.12, 1,127,327.04 and 617,982.48 is: 931,144.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,185.12 : 1,127,327.04 = 617,982.48 : x
  2. Step 2: Convert to fraction form
    748,185.12/1,127,327.04 = 617,982.48/x
  3. Step 3: Cross multiply
    748,185.12x = 1,127,327.04 × 617,982.48
  4. Step 4: Simplify right side
    748,185.12x = 696,668,359,950.26
  5. Step 5: Solve for x
    x = 696,668,359,950.26/748,185.12
  6. Step 6: Final answer
    x = 931,144.37

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.