Home / 1,690,470.46-2,536,118.79-492,373.54

Finding the Fourth Proportional to 1,690,470.46, 2,536,118.79 and 492,373.54

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Solution

The fourth proportional to 1,690,470.46, 2,536,118.79 and 492,373.54 is: 738,680.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,470.46 : 2,536,118.79 = 492,373.54 : x
  2. Step 2: Convert to fraction form
    1,690,470.46/2,536,118.79 = 492,373.54/x
  3. Step 3: Cross multiply
    1,690,470.46x = 2,536,118.79 × 492,373.54
  4. Step 4: Simplify right side
    1,690,470.46x = 1,248,717,786,492.82
  5. Step 5: Solve for x
    x = 1,248,717,786,492.82/1,690,470.46
  6. Step 6: Final answer
    x = 738,680.63

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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.