Home / 1,479,345.40-2,221,091.70-919,473.40

Finding the Fourth Proportional to 1,479,345.40, 2,221,091.70 and 919,473.40

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Solution

The fourth proportional to 1,479,345.40, 2,221,091.70 and 919,473.40 is: 1,380,498.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,345.40 : 2,221,091.70 = 919,473.40 : x
  2. Step 2: Convert to fraction form
    1,479,345.40/2,221,091.70 = 919,473.40/x
  3. Step 3: Cross multiply
    1,479,345.40x = 2,221,091.70 × 919,473.40
  4. Step 4: Simplify right side
    1,479,345.40x = 2,042,234,737,110.78
  5. Step 5: Solve for x
    x = 2,042,234,737,110.78/1,479,345.40
  6. Step 6: Final answer
    x = 1,380,498.93

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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.