Home / 1,457,875.65-2,187,233.15-447,145.91

Finding the Fourth Proportional to 1,457,875.65, 2,187,233.15 and 447,145.91

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Solution

The fourth proportional to 1,457,875.65, 2,187,233.15 and 447,145.91 is: 670,847.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,875.65 : 2,187,233.15 = 447,145.91 : x
  2. Step 2: Convert to fraction form
    1,457,875.65/2,187,233.15 = 447,145.91/x
  3. Step 3: Cross multiply
    1,457,875.65x = 2,187,233.15 × 447,145.91
  4. Step 4: Simplify right side
    1,457,875.65x = 978,012,344,067.02
  5. Step 5: Solve for x
    x = 978,012,344,067.02/1,457,875.65
  6. Step 6: Final answer
    x = 670,847.57

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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.