Home / 1,377,220-2,065,907.76-490,756

Finding the Fourth Proportional to 1,377,220, 2,065,907.76 and 490,756

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Solution

The fourth proportional to 1,377,220, 2,065,907.76 and 490,756 is: 736,161.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,220 : 2,065,907.76 = 490,756 : x
  2. Step 2: Convert to fraction form
    1,377,220/2,065,907.76 = 490,756/x
  3. Step 3: Cross multiply
    1,377,220x = 2,065,907.76 × 490,756
  4. Step 4: Simplify right side
    1,377,220x = 1,013,856,628,666.56
  5. Step 5: Solve for x
    x = 1,013,856,628,666.56/1,377,220
  6. Step 6: Final answer
    x = 736,161.71

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.