Home / 1,109,715.92-1,663,874.04-611,429.84

Finding the Fourth Proportional to 1,109,715.92, 1,663,874.04 and 611,429.84

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Solution

The fourth proportional to 1,109,715.92, 1,663,874.04 and 611,429.84 is: 916,759.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,715.92 : 1,663,874.04 = 611,429.84 : x
  2. Step 2: Convert to fraction form
    1,109,715.92/1,663,874.04 = 611,429.84/x
  3. Step 3: Cross multiply
    1,109,715.92x = 1,663,874.04 × 611,429.84
  4. Step 4: Simplify right side
    1,109,715.92x = 1,017,342,238,057.35
  5. Step 5: Solve for x
    x = 1,017,342,238,057.35/1,109,715.92
  6. Step 6: Final answer
    x = 916,759.16

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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.