Home / 1,425,176.80-2,137,765.44-360,221.92

Finding the Fourth Proportional to 1,425,176.80, 2,137,765.44 and 360,221.92

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Solution

The fourth proportional to 1,425,176.80, 2,137,765.44 and 360,221.92 is: 540,332.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,176.80 : 2,137,765.44 = 360,221.92 : x
  2. Step 2: Convert to fraction form
    1,425,176.80/2,137,765.44 = 360,221.92/x
  3. Step 3: Cross multiply
    1,425,176.80x = 2,137,765.44 × 360,221.92
  4. Step 4: Simplify right side
    1,425,176.80x = 770,069,971,306.45
  5. Step 5: Solve for x
    x = 770,069,971,306.45/1,425,176.80
  6. Step 6: Final answer
    x = 540,332.94

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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.