Home / 1,462,709.38-2,018,551.78-818,189.52

Finding the Fourth Proportional to 1,462,709.38, 2,018,551.78 and 818,189.52

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Solution

The fourth proportional to 1,462,709.38, 2,018,551.78 and 818,189.52 is: 1,129,108.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,462,709.38 : 2,018,551.78 = 818,189.52 : x
  2. Step 2: Convert to fraction form
    1,462,709.38/2,018,551.78 = 818,189.52/x
  3. Step 3: Cross multiply
    1,462,709.38x = 2,018,551.78 × 818,189.52
  4. Step 4: Simplify right side
    1,462,709.38x = 1,651,557,911,973.35
  5. Step 5: Solve for x
    x = 1,651,557,911,973.35/1,462,709.38
  6. Step 6: Final answer
    x = 1,129,108.72

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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.