Home / 1,203,897.66-1,660,806.36-720,365.46

Finding the Fourth Proportional to 1,203,897.66, 1,660,806.36 and 720,365.46

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Solution

The fourth proportional to 1,203,897.66, 1,660,806.36 and 720,365.46 is: 993,761.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,897.66 : 1,660,806.36 = 720,365.46 : x
  2. Step 2: Convert to fraction form
    1,203,897.66/1,660,806.36 = 720,365.46/x
  3. Step 3: Cross multiply
    1,203,897.66x = 1,660,806.36 × 720,365.46
  4. Step 4: Simplify right side
    1,203,897.66x = 1,196,387,537,492.33
  5. Step 5: Solve for x
    x = 1,196,387,537,492.33/1,203,897.66
  6. Step 6: Final answer
    x = 993,761.83

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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.