Home / 1,118,125.05-1,677,187.58-996,819.45

Finding the Fourth Proportional to 1,118,125.05, 1,677,187.58 and 996,819.45

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Solution

The fourth proportional to 1,118,125.05, 1,677,187.58 and 996,819.45 is: 1,495,229.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,125.05 : 1,677,187.58 = 996,819.45 : x
  2. Step 2: Convert to fraction form
    1,118,125.05/1,677,187.58 = 996,819.45/x
  3. Step 3: Cross multiply
    1,118,125.05x = 1,677,187.58 × 996,819.45
  4. Step 4: Simplify right side
    1,118,125.05x = 1,671,853,196,058.33
  5. Step 5: Solve for x
    x = 1,671,853,196,058.33/1,118,125.05
  6. Step 6: Final answer
    x = 1,495,229.18

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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.