Home / 756,166.20-1,134,249.30-698,429.40

Finding the Fourth Proportional to 756,166.20, 1,134,249.30 and 698,429.40

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Solution

The fourth proportional to 756,166.20, 1,134,249.30 and 698,429.40 is: 1,047,644.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,166.20 : 1,134,249.30 = 698,429.40 : x
  2. Step 2: Convert to fraction form
    756,166.20/1,134,249.30 = 698,429.40/x
  3. Step 3: Cross multiply
    756,166.20x = 1,134,249.30 × 698,429.40
  4. Step 4: Simplify right side
    756,166.20x = 792,193,058,049.42
  5. Step 5: Solve for x
    x = 792,193,058,049.42/756,166.20
  6. Step 6: Final answer
    x = 1,047,644.10

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1.5x scale

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.