Home / 1,120,281.71-1,545,981.68-636,846.88

Finding the Fourth Proportional to 1,120,281.71, 1,545,981.68 and 636,846.88

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Solution

The fourth proportional to 1,120,281.71, 1,545,981.68 and 636,846.88 is: 878,844.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,281.71 : 1,545,981.68 = 636,846.88 : x
  2. Step 2: Convert to fraction form
    1,120,281.71/1,545,981.68 = 636,846.88/x
  3. Step 3: Cross multiply
    1,120,281.71x = 1,545,981.68 × 636,846.88
  4. Step 4: Simplify right side
    1,120,281.71x = 984,553,601,715.25
  5. Step 5: Solve for x
    x = 984,553,601,715.25/1,120,281.71
  6. Step 6: Final answer
    x = 878,844.67

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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.