Home / 1,984,235.40-2,976,286.68-862,304.40

Finding the Fourth Proportional to 1,984,235.40, 2,976,286.68 and 862,304.40

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Solution

The fourth proportional to 1,984,235.40, 2,976,286.68 and 862,304.40 is: 1,293,427.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,984,235.40 : 2,976,286.68 = 862,304.40 : x
  2. Step 2: Convert to fraction form
    1,984,235.40/2,976,286.68 = 862,304.40/x
  3. Step 3: Cross multiply
    1,984,235.40x = 2,976,286.68 × 862,304.40
  4. Step 4: Simplify right side
    1,984,235.40x = 2,566,465,099,825.39
  5. Step 5: Solve for x
    x = 2,566,465,099,825.39/1,984,235.40
  6. Step 6: Final answer
    x = 1,293,427.74

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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.