Home / 1,539,950.40-2,309,882.40-698,500.80

Finding the Fourth Proportional to 1,539,950.40, 2,309,882.40 and 698,500.80

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Solution

The fourth proportional to 1,539,950.40, 2,309,882.40 and 698,500.80 is: 1,047,731.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,950.40 : 2,309,882.40 = 698,500.80 : x
  2. Step 2: Convert to fraction form
    1,539,950.40/2,309,882.40 = 698,500.80/x
  3. Step 3: Cross multiply
    1,539,950.40x = 2,309,882.40 × 698,500.80
  4. Step 4: Simplify right side
    1,539,950.40x = 1,613,454,704,305.92
  5. Step 5: Solve for x
    x = 1,613,454,704,305.92/1,539,950.40
  6. Step 6: Final answer
    x = 1,047,731.61

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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.