Home / 1,078,154.80-1,614,121.80-966,180.40

Finding the Fourth Proportional to 1,078,154.80, 1,614,121.80 and 966,180.40

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Solution

The fourth proportional to 1,078,154.80, 1,614,121.80 and 966,180.40 is: 1,446,483.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,154.80 : 1,614,121.80 = 966,180.40 : x
  2. Step 2: Convert to fraction form
    1,078,154.80/1,614,121.80 = 966,180.40/x
  3. Step 3: Cross multiply
    1,078,154.80x = 1,614,121.80 × 966,180.40
  4. Step 4: Simplify right side
    1,078,154.80x = 1,559,532,846,372.72
  5. Step 5: Solve for x
    x = 1,559,532,846,372.72/1,078,154.80
  6. Step 6: Final answer
    x = 1,446,483.24

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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.