Home / 1,377,815.20-2,066,780.40-737,850.40

Finding the Fourth Proportional to 1,377,815.20, 2,066,780.40 and 737,850.40

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Solution

The fourth proportional to 1,377,815.20, 2,066,780.40 and 737,850.40 is: 1,106,806.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,815.20 : 2,066,780.40 = 737,850.40 : x
  2. Step 2: Convert to fraction form
    1,377,815.20/2,066,780.40 = 737,850.40/x
  3. Step 3: Cross multiply
    1,377,815.20x = 2,066,780.40 × 737,850.40
  4. Step 4: Simplify right side
    1,377,815.20x = 1,524,974,744,852.16
  5. Step 5: Solve for x
    x = 1,524,974,744,852.16/1,377,815.20
  6. Step 6: Final answer
    x = 1,106,806.45

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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.