Home / 1,150,604.73-1,587,176.10-720,137.52

Finding the Fourth Proportional to 1,150,604.73, 1,587,176.10 and 720,137.52

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Solution

The fourth proportional to 1,150,604.73, 1,587,176.10 and 720,137.52 is: 993,377.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,604.73 : 1,587,176.10 = 720,137.52 : x
  2. Step 2: Convert to fraction form
    1,150,604.73/1,587,176.10 = 720,137.52/x
  3. Step 3: Cross multiply
    1,150,604.73x = 1,587,176.10 × 720,137.52
  4. Step 4: Simplify right side
    1,150,604.73x = 1,142,985,060,457.27
  5. Step 5: Solve for x
    x = 1,142,985,060,457.27/1,150,604.73
  6. Step 6: Final answer
    x = 993,377.68

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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.