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Finding the Fourth Proportional to 987,751, 1,363,068.50 and 579,846.34

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Solution

The fourth proportional to 987,751, 1,363,068.50 and 579,846.34 is: 800,171.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,751 : 1,363,068.50 = 579,846.34 : x
  2. Step 2: Convert to fraction form
    987,751/1,363,068.50 = 579,846.34/x
  3. Step 3: Cross multiply
    987,751x = 1,363,068.50 × 579,846.34
  4. Step 4: Simplify right side
    987,751x = 790,370,280,894.29
  5. Step 5: Solve for x
    x = 790,370,280,894.29/987,751
  6. Step 6: Final answer
    x = 800,171.58

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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.