Home / 1,482,200.76-2,045,453.07-870,360.78

Finding the Fourth Proportional to 1,482,200.76, 2,045,453.07 and 870,360.78

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Solution

The fourth proportional to 1,482,200.76, 2,045,453.07 and 870,360.78 is: 1,201,107.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,482,200.76 : 2,045,453.07 = 870,360.78 : x
  2. Step 2: Convert to fraction form
    1,482,200.76/2,045,453.07 = 870,360.78/x
  3. Step 3: Cross multiply
    1,482,200.76x = 2,045,453.07 × 870,360.78
  4. Step 4: Simplify right side
    1,482,200.76x = 1,780,282,129,458.59
  5. Step 5: Solve for x
    x = 1,780,282,129,458.59/1,482,200.76
  6. Step 6: Final answer
    x = 1,201,107.28

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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.