Home / 1,450,958.52-2,176,435.20-386,000.57

Finding the Fourth Proportional to 1,450,958.52, 2,176,435.20 and 386,000.57

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Solution

The fourth proportional to 1,450,958.52, 2,176,435.20 and 386,000.57 is: 579,000.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,958.52 : 2,176,435.20 = 386,000.57 : x
  2. Step 2: Convert to fraction form
    1,450,958.52/2,176,435.20 = 386,000.57/x
  3. Step 3: Cross multiply
    1,450,958.52x = 2,176,435.20 × 386,000.57
  4. Step 4: Simplify right side
    1,450,958.52x = 840,105,234,656.65
  5. Step 5: Solve for x
    x = 840,105,234,656.65/1,450,958.52
  6. Step 6: Final answer
    x = 579,000.17

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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.