Home / 1,278,754.76-1,764,555.93-705,758.03

Finding the Fourth Proportional to 1,278,754.76, 1,764,555.93 and 705,758.03

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Solution

The fourth proportional to 1,278,754.76, 1,764,555.93 and 705,758.03 is: 973,876.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,754.76 : 1,764,555.93 = 705,758.03 : x
  2. Step 2: Convert to fraction form
    1,278,754.76/1,764,555.93 = 705,758.03/x
  3. Step 3: Cross multiply
    1,278,754.76x = 1,764,555.93 × 705,758.03
  4. Step 4: Simplify right side
    1,278,754.76x = 1,245,349,508,158.84
  5. Step 5: Solve for x
    x = 1,245,349,508,158.84/1,278,754.76
  6. Step 6: Final answer
    x = 973,876.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.