Home / 1,138,269.28-1,707,170.64-418,362.88

Finding the Fourth Proportional to 1,138,269.28, 1,707,170.64 and 418,362.88

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Solution

The fourth proportional to 1,138,269.28, 1,707,170.64 and 418,362.88 is: 627,458.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,269.28 : 1,707,170.64 = 418,362.88 : x
  2. Step 2: Convert to fraction form
    1,138,269.28/1,707,170.64 = 418,362.88/x
  3. Step 3: Cross multiply
    1,138,269.28x = 1,707,170.64 × 418,362.88
  4. Step 4: Simplify right side
    1,138,269.28x = 714,216,825,601.84
  5. Step 5: Solve for x
    x = 714,216,825,601.84/1,138,269.28
  6. Step 6: Final answer
    x = 627,458.58

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1.5x scale

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.