Home / 1,223,758.94-1,688,834.30-672,497.91

Finding the Fourth Proportional to 1,223,758.94, 1,688,834.30 and 672,497.91

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Solution

The fourth proportional to 1,223,758.94, 1,688,834.30 and 672,497.91 is: 928,072.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,758.94 : 1,688,834.30 = 672,497.91 : x
  2. Step 2: Convert to fraction form
    1,223,758.94/1,688,834.30 = 672,497.91/x
  3. Step 3: Cross multiply
    1,223,758.94x = 1,688,834.30 × 672,497.91
  4. Step 4: Simplify right side
    1,223,758.94x = 1,135,737,533,723.82
  5. Step 5: Solve for x
    x = 1,135,737,533,723.82/1,223,758.94
  6. Step 6: Final answer
    x = 928,072.92

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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.