Home / 756,120.90-1,134,181.35-673,452.30

Finding the Fourth Proportional to 756,120.90, 1,134,181.35 and 673,452.30

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Solution

The fourth proportional to 756,120.90, 1,134,181.35 and 673,452.30 is: 1,010,178.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,120.90 : 1,134,181.35 = 673,452.30 : x
  2. Step 2: Convert to fraction form
    756,120.90/1,134,181.35 = 673,452.30/x
  3. Step 3: Cross multiply
    756,120.90x = 1,134,181.35 × 673,452.30
  4. Step 4: Simplify right side
    756,120.90x = 763,817,038,774.61
  5. Step 5: Solve for x
    x = 763,817,038,774.61/756,120.90
  6. Step 6: Final answer
    x = 1,010,178.45

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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.