Home / 1,245,690.15-1,719,052.35-672,730.28

Finding the Fourth Proportional to 1,245,690.15, 1,719,052.35 and 672,730.28

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Solution

The fourth proportional to 1,245,690.15, 1,719,052.35 and 672,730.28 is: 928,367.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,690.15 : 1,719,052.35 = 672,730.28 : x
  2. Step 2: Convert to fraction form
    1,245,690.15/1,719,052.35 = 672,730.28/x
  3. Step 3: Cross multiply
    1,245,690.15x = 1,719,052.35 × 672,730.28
  4. Step 4: Simplify right side
    1,245,690.15x = 1,156,458,560,154.90
  5. Step 5: Solve for x
    x = 1,156,458,560,154.90/1,245,690.15
  6. Step 6: Final answer
    x = 928,367.75

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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.