Home / 1,521,440.52-2,099,653.52-842,377

Finding the Fourth Proportional to 1,521,440.52, 2,099,653.52 and 842,377

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Solution

The fourth proportional to 1,521,440.52, 2,099,653.52 and 842,377 is: 1,162,516.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,440.52 : 2,099,653.52 = 842,377 : x
  2. Step 2: Convert to fraction form
    1,521,440.52/2,099,653.52 = 842,377/x
  3. Step 3: Cross multiply
    1,521,440.52x = 2,099,653.52 × 842,377
  4. Step 4: Simplify right side
    1,521,440.52x = 1,768,699,833,217.04
  5. Step 5: Solve for x
    x = 1,768,699,833,217.04/1,521,440.52
  6. Step 6: Final answer
    x = 1,162,516.58

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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.