Home / 1,338,128.11-1,845,220.95-794,158.80

Finding the Fourth Proportional to 1,338,128.11, 1,845,220.95 and 794,158.80

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Solution

The fourth proportional to 1,338,128.11, 1,845,220.95 and 794,158.80 is: 1,095,110.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,128.11 : 1,845,220.95 = 794,158.80 : x
  2. Step 2: Convert to fraction form
    1,338,128.11/1,845,220.95 = 794,158.80/x
  3. Step 3: Cross multiply
    1,338,128.11x = 1,845,220.95 × 794,158.80
  4. Step 4: Simplify right side
    1,338,128.11x = 1,465,398,455,386.86
  5. Step 5: Solve for x
    x = 1,465,398,455,386.86/1,338,128.11
  6. Step 6: Final answer
    x = 1,095,110.73

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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.