Home / 1,435,975.45-1,981,983.80-892,521.67

Finding the Fourth Proportional to 1,435,975.45, 1,981,983.80 and 892,521.67

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Solution

The fourth proportional to 1,435,975.45, 1,981,983.80 and 892,521.67 is: 1,231,889.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,975.45 : 1,981,983.80 = 892,521.67 : x
  2. Step 2: Convert to fraction form
    1,435,975.45/1,981,983.80 = 892,521.67/x
  3. Step 3: Cross multiply
    1,435,975.45x = 1,981,983.80 × 892,521.67
  4. Step 4: Simplify right side
    1,435,975.45x = 1,768,963,488,365.29
  5. Step 5: Solve for x
    x = 1,768,963,488,365.29/1,435,975.45
  6. Step 6: Final answer
    x = 1,231,889.79

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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.