Home / 1,455,148.19-2,182,986.55-495,554.56

Finding the Fourth Proportional to 1,455,148.19, 2,182,986.55 and 495,554.56

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Solution

The fourth proportional to 1,455,148.19, 2,182,986.55 and 495,554.56 is: 743,421.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,148.19 : 2,182,986.55 = 495,554.56 : x
  2. Step 2: Convert to fraction form
    1,455,148.19/2,182,986.55 = 495,554.56/x
  3. Step 3: Cross multiply
    1,455,148.19x = 2,182,986.55 × 495,554.56
  4. Step 4: Simplify right side
    1,455,148.19x = 1,081,788,934,433.14
  5. Step 5: Solve for x
    x = 1,081,788,934,433.14/1,455,148.19
  6. Step 6: Final answer
    x = 743,421.83

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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.