Home / 1,278,446.12-1,917,170.70-479,292.08

Finding the Fourth Proportional to 1,278,446.12, 1,917,170.70 and 479,292.08

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Solution

The fourth proportional to 1,278,446.12, 1,917,170.70 and 479,292.08 is: 718,751.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,446.12 : 1,917,170.70 = 479,292.08 : x
  2. Step 2: Convert to fraction form
    1,278,446.12/1,917,170.70 = 479,292.08/x
  3. Step 3: Cross multiply
    1,278,446.12x = 1,917,170.70 × 479,292.08
  4. Step 4: Simplify right side
    1,278,446.12x = 918,884,732,518.06
  5. Step 5: Solve for x
    x = 918,884,732,518.06/1,278,446.12
  6. Step 6: Final answer
    x = 718,751.24

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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.