Home / 1,305,439.29-1,957,715.48-452,311.83

Finding the Fourth Proportional to 1,305,439.29, 1,957,715.48 and 452,311.83

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Solution

The fourth proportional to 1,305,439.29, 1,957,715.48 and 452,311.83 is: 678,314.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,439.29 : 1,957,715.48 = 452,311.83 : x
  2. Step 2: Convert to fraction form
    1,305,439.29/1,957,715.48 = 452,311.83/x
  3. Step 3: Cross multiply
    1,305,439.29x = 1,957,715.48 × 452,311.83
  4. Step 4: Simplify right side
    1,305,439.29x = 885,497,869,116.57
  5. Step 5: Solve for x
    x = 885,497,869,116.57/1,305,439.29
  6. Step 6: Final answer
    x = 678,314.09

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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.