Home / 1,250,434.46-1,874,112.78-711,143.30

Finding the Fourth Proportional to 1,250,434.46, 1,874,112.78 and 711,143.30

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Solution

The fourth proportional to 1,250,434.46, 1,874,112.78 and 711,143.30 is: 1,065,839.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,434.46 : 1,874,112.78 = 711,143.30 : x
  2. Step 2: Convert to fraction form
    1,250,434.46/1,874,112.78 = 711,143.30/x
  3. Step 3: Cross multiply
    1,250,434.46x = 1,874,112.78 × 711,143.30
  4. Step 4: Simplify right side
    1,250,434.46x = 1,332,762,746,941.37
  5. Step 5: Solve for x
    x = 1,332,762,746,941.37/1,250,434.46
  6. Step 6: Final answer
    x = 1,065,839.75

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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.