Home / 1,307,109.45-1,803,980.19-734,149.61

Finding the Fourth Proportional to 1,307,109.45, 1,803,980.19 and 734,149.61

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Solution

The fourth proportional to 1,307,109.45, 1,803,980.19 and 734,149.61 is: 1,013,221.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,109.45 : 1,803,980.19 = 734,149.61 : x
  2. Step 2: Convert to fraction form
    1,307,109.45/1,803,980.19 = 734,149.61/x
  3. Step 3: Cross multiply
    1,307,109.45x = 1,803,980.19 × 734,149.61
  4. Step 4: Simplify right side
    1,307,109.45x = 1,324,391,353,434.31
  5. Step 5: Solve for x
    x = 1,324,391,353,434.31/1,307,109.45
  6. Step 6: Final answer
    x = 1,013,221.46

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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.