Home / 1,486,960.72-2,051,938.92-842,367.76

Finding the Fourth Proportional to 1,486,960.72, 2,051,938.92 and 842,367.76

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Solution

The fourth proportional to 1,486,960.72, 2,051,938.92 and 842,367.76 is: 1,162,429.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,960.72 : 2,051,938.92 = 842,367.76 : x
  2. Step 2: Convert to fraction form
    1,486,960.72/2,051,938.92 = 842,367.76/x
  3. Step 3: Cross multiply
    1,486,960.72x = 2,051,938.92 × 842,367.76
  4. Step 4: Simplify right side
    1,486,960.72x = 1,728,487,191,697.22
  5. Step 5: Solve for x
    x = 1,728,487,191,697.22/1,486,960.72
  6. Step 6: Final answer
    x = 1,162,429.62

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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.