Home / 1,397,652.80-2,096,418.21-438,086.51

Finding the Fourth Proportional to 1,397,652.80, 2,096,418.21 and 438,086.51

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Solution

The fourth proportional to 1,397,652.80, 2,096,418.21 and 438,086.51 is: 657,110.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,652.80 : 2,096,418.21 = 438,086.51 : x
  2. Step 2: Convert to fraction form
    1,397,652.80/2,096,418.21 = 438,086.51/x
  3. Step 3: Cross multiply
    1,397,652.80x = 2,096,418.21 × 438,086.51
  4. Step 4: Simplify right side
    1,397,652.80x = 918,412,537,119.35
  5. Step 5: Solve for x
    x = 918,412,537,119.35/1,397,652.80
  6. Step 6: Final answer
    x = 657,110.65

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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.