Home / 1,098,478.62-1,647,895.65-340,141.86

Finding the Fourth Proportional to 1,098,478.62, 1,647,895.65 and 340,141.86

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Solution

The fourth proportional to 1,098,478.62, 1,647,895.65 and 340,141.86 is: 510,267.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,478.62 : 1,647,895.65 = 340,141.86 : x
  2. Step 2: Convert to fraction form
    1,098,478.62/1,647,895.65 = 340,141.86/x
  3. Step 3: Cross multiply
    1,098,478.62x = 1,647,895.65 × 340,141.86
  4. Step 4: Simplify right side
    1,098,478.62x = 560,518,283,237.43
  5. Step 5: Solve for x
    x = 560,518,283,237.43/1,098,478.62
  6. Step 6: Final answer
    x = 510,267.82

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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.