Home / 1,278,271.56-1,764,051.38-705,348.62

Finding the Fourth Proportional to 1,278,271.56, 1,764,051.38 and 705,348.62

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Solution

The fourth proportional to 1,278,271.56, 1,764,051.38 and 705,348.62 is: 973,401.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,271.56 : 1,764,051.38 = 705,348.62 : x
  2. Step 2: Convert to fraction form
    1,278,271.56/1,764,051.38 = 705,348.62/x
  3. Step 3: Cross multiply
    1,278,271.56x = 1,764,051.38 × 705,348.62
  4. Step 4: Simplify right side
    1,278,271.56x = 1,244,271,206,492.10
  5. Step 5: Solve for x
    x = 1,244,271,206,492.10/1,278,271.56
  6. Step 6: Final answer
    x = 973,401.31

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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.