Home / 1,278,473.96-1,917,117.66-746,148.20

Finding the Fourth Proportional to 1,278,473.96, 1,917,117.66 and 746,148.20

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Solution

The fourth proportional to 1,278,473.96, 1,917,117.66 and 746,148.20 is: 1,118,876.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,473.96 : 1,917,117.66 = 746,148.20 : x
  2. Step 2: Convert to fraction form
    1,278,473.96/1,917,117.66 = 746,148.20/x
  3. Step 3: Cross multiply
    1,278,473.96x = 1,917,117.66 × 746,148.20
  4. Step 4: Simplify right side
    1,278,473.96x = 1,430,453,891,197.21
  5. Step 5: Solve for x
    x = 1,430,453,891,197.21/1,278,473.96
  6. Step 6: Final answer
    x = 1,118,876.05

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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.