Home / 1,531,520.72-2,113,498.68-852,442.64

Finding the Fourth Proportional to 1,531,520.72, 2,113,498.68 and 852,442.64

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Solution

The fourth proportional to 1,531,520.72, 2,113,498.68 and 852,442.64 is: 1,176,370.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,520.72 : 2,113,498.68 = 852,442.64 : x
  2. Step 2: Convert to fraction form
    1,531,520.72/2,113,498.68 = 852,442.64/x
  3. Step 3: Cross multiply
    1,531,520.72x = 2,113,498.68 × 852,442.64
  4. Step 4: Simplify right side
    1,531,520.72x = 1,801,636,394,415.72
  5. Step 5: Solve for x
    x = 1,801,636,394,415.72/1,531,520.72
  6. Step 6: Final answer
    x = 1,176,370.89

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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.