Home / 1,278,325.18-1,764,086.70-705,364.93

Finding the Fourth Proportional to 1,278,325.18, 1,764,086.70 and 705,364.93

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Solution

The fourth proportional to 1,278,325.18, 1,764,086.70 and 705,364.93 is: 973,402.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,325.18 : 1,764,086.70 = 705,364.93 : x
  2. Step 2: Convert to fraction form
    1,278,325.18/1,764,086.70 = 705,364.93/x
  3. Step 3: Cross multiply
    1,278,325.18x = 1,764,086.70 × 705,364.93
  4. Step 4: Simplify right side
    1,278,325.18x = 1,244,324,891,659.43
  5. Step 5: Solve for x
    x = 1,244,324,891,659.43/1,278,325.18
  6. Step 6: Final answer
    x = 973,402.47

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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.