Home / 1,436,463.30-2,153,710.80-678,667.80

Finding the Fourth Proportional to 1,436,463.30, 2,153,710.80 and 678,667.80

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Solution

The fourth proportional to 1,436,463.30, 2,153,710.80 and 678,667.80 is: 1,017,536.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,463.30 : 2,153,710.80 = 678,667.80 : x
  2. Step 2: Convert to fraction form
    1,436,463.30/2,153,710.80 = 678,667.80/x
  3. Step 3: Cross multiply
    1,436,463.30x = 2,153,710.80 × 678,667.80
  4. Step 4: Simplify right side
    1,436,463.30x = 1,461,654,170,472.24
  5. Step 5: Solve for x
    x = 1,461,654,170,472.24/1,436,463.30
  6. Step 6: Final answer
    x = 1,017,536.73

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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.