Home / 1,315,168.27-1,814,793.66-763,776.37

Finding the Fourth Proportional to 1,315,168.27, 1,814,793.66 and 763,776.37

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Solution

The fourth proportional to 1,315,168.27, 1,814,793.66 and 763,776.37 is: 1,053,930.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,168.27 : 1,814,793.66 = 763,776.37 : x
  2. Step 2: Convert to fraction form
    1,315,168.27/1,814,793.66 = 763,776.37/x
  3. Step 3: Cross multiply
    1,315,168.27x = 1,814,793.66 × 763,776.37
  4. Step 4: Simplify right side
    1,315,168.27x = 1,386,096,513,933.81
  5. Step 5: Solve for x
    x = 1,386,096,513,933.81/1,315,168.27
  6. Step 6: Final answer
    x = 1,053,930.93

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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.