Home / 1,377,109.90-2,065,664.85-957,205.90

Finding the Fourth Proportional to 1,377,109.90, 2,065,664.85 and 957,205.90

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Solution

The fourth proportional to 1,377,109.90, 2,065,664.85 and 957,205.90 is: 1,435,808.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,109.90 : 2,065,664.85 = 957,205.90 : x
  2. Step 2: Convert to fraction form
    1,377,109.90/2,065,664.85 = 957,205.90/x
  3. Step 3: Cross multiply
    1,377,109.90x = 2,065,664.85 × 957,205.90
  4. Step 4: Simplify right side
    1,377,109.90x = 1,977,266,581,842.62
  5. Step 5: Solve for x
    x = 1,977,266,581,842.62/1,377,109.90
  6. Step 6: Final answer
    x = 1,435,808.85

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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.