Home / 1,184,911.20-1,777,366.80-759,758.40

Finding the Fourth Proportional to 1,184,911.20, 1,777,366.80 and 759,758.40

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Solution

The fourth proportional to 1,184,911.20, 1,777,366.80 and 759,758.40 is: 1,139,637.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,911.20 : 1,777,366.80 = 759,758.40 : x
  2. Step 2: Convert to fraction form
    1,184,911.20/1,777,366.80 = 759,758.40/x
  3. Step 3: Cross multiply
    1,184,911.20x = 1,777,366.80 × 759,758.40
  4. Step 4: Simplify right side
    1,184,911.20x = 1,350,369,356,181.12
  5. Step 5: Solve for x
    x = 1,350,369,356,181.12/1,184,911.20
  6. Step 6: Final answer
    x = 1,139,637.60

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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.