Home / 1,256,311.08-1,734,017.22-712,765.04

Finding the Fourth Proportional to 1,256,311.08, 1,734,017.22 and 712,765.04

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Solution

The fourth proportional to 1,256,311.08, 1,734,017.22 and 712,765.04 is: 983,790.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,311.08 : 1,734,017.22 = 712,765.04 : x
  2. Step 2: Convert to fraction form
    1,256,311.08/1,734,017.22 = 712,765.04/x
  3. Step 3: Cross multiply
    1,256,311.08x = 1,734,017.22 × 712,765.04
  4. Step 4: Simplify right side
    1,256,311.08x = 1,235,946,844,503.90
  5. Step 5: Solve for x
    x = 1,235,946,844,503.90/1,256,311.08
  6. Step 6: Final answer
    x = 983,790.45

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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.