Home / 1,298,954.21-1,792,500.42-710,242.85

Finding the Fourth Proportional to 1,298,954.21, 1,792,500.42 and 710,242.85

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Solution

The fourth proportional to 1,298,954.21, 1,792,500.42 and 710,242.85 is: 980,104.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,954.21 : 1,792,500.42 = 710,242.85 : x
  2. Step 2: Convert to fraction form
    1,298,954.21/1,792,500.42 = 710,242.85/x
  3. Step 3: Cross multiply
    1,298,954.21x = 1,792,500.42 × 710,242.85
  4. Step 4: Simplify right side
    1,298,954.21x = 1,273,110,597,964.49
  5. Step 5: Solve for x
    x = 1,273,110,597,964.49/1,298,954.21
  6. Step 6: Final answer
    x = 980,104.30

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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.