Home / 1,178,293.28-1,764,987.69-749,706.08

Finding the Fourth Proportional to 1,178,293.28, 1,764,987.69 and 749,706.08

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Solution

The fourth proportional to 1,178,293.28, 1,764,987.69 and 749,706.08 is: 1,122,998.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,293.28 : 1,764,987.69 = 749,706.08 : x
  2. Step 2: Convert to fraction form
    1,178,293.28/1,764,987.69 = 749,706.08/x
  3. Step 3: Cross multiply
    1,178,293.28x = 1,764,987.69 × 749,706.08
  4. Step 4: Simplify right side
    1,178,293.28x = 1,323,222,002,318.16
  5. Step 5: Solve for x
    x = 1,323,222,002,318.16/1,178,293.28
  6. Step 6: Final answer
    x = 1,122,998.85

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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.