Home / 1,369,723.20-1,890,170.24-757,866.24

Finding the Fourth Proportional to 1,369,723.20, 1,890,170.24 and 757,866.24

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Solution

The fourth proportional to 1,369,723.20, 1,890,170.24 and 757,866.24 is: 1,045,828.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,723.20 : 1,890,170.24 = 757,866.24 : x
  2. Step 2: Convert to fraction form
    1,369,723.20/1,890,170.24 = 757,866.24/x
  3. Step 3: Cross multiply
    1,369,723.20x = 1,890,170.24 × 757,866.24
  4. Step 4: Simplify right side
    1,369,723.20x = 1,432,496,212,748.70
  5. Step 5: Solve for x
    x = 1,432,496,212,748.70/1,369,723.20
  6. Step 6: Final answer
    x = 1,045,828.98

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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.