Home / 1,655,240.76-2,482,845.21-980,836.65

Finding the Fourth Proportional to 1,655,240.76, 2,482,845.21 and 980,836.65

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Solution

The fourth proportional to 1,655,240.76, 2,482,845.21 and 980,836.65 is: 1,471,245.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,655,240.76 : 2,482,845.21 = 980,836.65 : x
  2. Step 2: Convert to fraction form
    1,655,240.76/2,482,845.21 = 980,836.65/x
  3. Step 3: Cross multiply
    1,655,240.76x = 2,482,845.21 × 980,836.65
  4. Step 4: Simplify right side
    1,655,240.76x = 2,435,265,578,244.95
  5. Step 5: Solve for x
    x = 2,435,265,578,244.95/1,655,240.76
  6. Step 6: Final answer
    x = 1,471,245.54

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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.