Home / 1,521,423.59-2,099,630.16-842,360.09

Finding the Fourth Proportional to 1,521,423.59, 2,099,630.16 and 842,360.09

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Solution

The fourth proportional to 1,521,423.59, 2,099,630.16 and 842,360.09 is: 1,162,493.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,423.59 : 2,099,630.16 = 842,360.09 : x
  2. Step 2: Convert to fraction form
    1,521,423.59/2,099,630.16 = 842,360.09/x
  3. Step 3: Cross multiply
    1,521,423.59x = 2,099,630.16 × 842,360.09
  4. Step 4: Simplify right side
    1,521,423.59x = 1,768,644,640,046.16
  5. Step 5: Solve for x
    x = 1,768,644,640,046.16/1,521,423.59
  6. Step 6: Final answer
    x = 1,162,493.24

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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.