Home / 1,497,383.40-2,066,390.22-818,319.96

Finding the Fourth Proportional to 1,497,383.40, 2,066,390.22 and 818,319.96

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Solution

The fourth proportional to 1,497,383.40, 2,066,390.22 and 818,319.96 is: 1,129,282.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497,383.40 : 2,066,390.22 = 818,319.96 : x
  2. Step 2: Convert to fraction form
    1,497,383.40/2,066,390.22 = 818,319.96/x
  3. Step 3: Cross multiply
    1,497,383.40x = 2,066,390.22 × 818,319.96
  4. Step 4: Simplify right side
    1,497,383.40x = 1,690,968,362,174.79
  5. Step 5: Solve for x
    x = 1,690,968,362,174.79/1,497,383.40
  6. Step 6: Final answer
    x = 1,129,282.16

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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.