Home / 1,278,330.46-1,764,094.08-705,370.48

Finding the Fourth Proportional to 1,278,330.46, 1,764,094.08 and 705,370.48

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Solution

The fourth proportional to 1,278,330.46, 1,764,094.08 and 705,370.48 is: 973,410.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,330.46 : 1,764,094.08 = 705,370.48 : x
  2. Step 2: Convert to fraction form
    1,278,330.46/1,764,094.08 = 705,370.48/x
  3. Step 3: Cross multiply
    1,278,330.46x = 1,764,094.08 × 705,370.48
  4. Step 4: Simplify right side
    1,278,330.46x = 1,244,339,887,974.76
  5. Step 5: Solve for x
    x = 1,244,339,887,974.76/1,278,330.46
  6. Step 6: Final answer
    x = 973,410.18

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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.