Home / 1,500,766.92-2,071,057.90-812,438.27

Finding the Fourth Proportional to 1,500,766.92, 2,071,057.90 and 812,438.27

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Solution

The fourth proportional to 1,500,766.92, 2,071,057.90 and 812,438.27 is: 1,121,164.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,766.92 : 2,071,057.90 = 812,438.27 : x
  2. Step 2: Convert to fraction form
    1,500,766.92/2,071,057.90 = 812,438.27/x
  3. Step 3: Cross multiply
    1,500,766.92x = 2,071,057.90 × 812,438.27
  4. Step 4: Simplify right side
    1,500,766.92x = 1,682,606,703,683.52
  5. Step 5: Solve for x
    x = 1,682,606,703,683.52/1,500,766.92
  6. Step 6: Final answer
    x = 1,121,164.57

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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.