Home / 1,380,953.80-2,068,864.62-750,397.96

Finding the Fourth Proportional to 1,380,953.80, 2,068,864.62 and 750,397.96

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Solution

The fourth proportional to 1,380,953.80, 2,068,864.62 and 750,397.96 is: 1,124,202.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,953.80 : 2,068,864.62 = 750,397.96 : x
  2. Step 2: Convert to fraction form
    1,380,953.80/2,068,864.62 = 750,397.96/x
  3. Step 3: Cross multiply
    1,380,953.80x = 2,068,864.62 × 750,397.96
  4. Step 4: Simplify right side
    1,380,953.80x = 1,552,471,790,364.18
  5. Step 5: Solve for x
    x = 1,552,471,790,364.18/1,380,953.80
  6. Step 6: Final answer
    x = 1,124,202.56

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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.