Home / 1,307,111.45-1,803,982.95-734,151.61

Finding the Fourth Proportional to 1,307,111.45, 1,803,982.95 and 734,151.61

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Solution

The fourth proportional to 1,307,111.45, 1,803,982.95 and 734,151.61 is: 1,013,224.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,111.45 : 1,803,982.95 = 734,151.61 : x
  2. Step 2: Convert to fraction form
    1,307,111.45/1,803,982.95 = 734,151.61/x
  3. Step 3: Cross multiply
    1,307,111.45x = 1,803,982.95 × 734,151.61
  4. Step 4: Simplify right side
    1,307,111.45x = 1,324,396,978,135.13
  5. Step 5: Solve for x
    x = 1,324,396,978,135.13/1,307,111.45
  6. Step 6: Final answer
    x = 1,013,224.22

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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.