Home / 1,315,004.92-1,814,709.90-711,392.92

Finding the Fourth Proportional to 1,315,004.92, 1,814,709.90 and 711,392.92

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Solution

The fourth proportional to 1,315,004.92, 1,814,709.90 and 711,392.92 is: 981,723.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,004.92 : 1,814,709.90 = 711,392.92 : x
  2. Step 2: Convert to fraction form
    1,315,004.92/1,814,709.90 = 711,392.92/x
  3. Step 3: Cross multiply
    1,315,004.92x = 1,814,709.90 × 711,392.92
  4. Step 4: Simplify right side
    1,315,004.92x = 1,290,971,774,713.91
  5. Step 5: Solve for x
    x = 1,290,971,774,713.91/1,315,004.92
  6. Step 6: Final answer
    x = 981,723.91

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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.