Home / 1,323,780.45-1,994,503.13-1,197,561.39

Finding the Fourth Proportional to 1,323,780.45, 1,994,503.13 and 1,197,561.39

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Solution

The fourth proportional to 1,323,780.45, 1,994,503.13 and 1,197,561.39 is: 1,804,332.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,780.45 : 1,994,503.13 = 1,197,561.39 : x
  2. Step 2: Convert to fraction form
    1,323,780.45/1,994,503.13 = 1,197,561.39/x
  3. Step 3: Cross multiply
    1,323,780.45x = 1,994,503.13 × 1,197,561.39
  4. Step 4: Simplify right side
    1,323,780.45x = 2,388,539,934,734.34
  5. Step 5: Solve for x
    x = 2,388,539,934,734.34/1,323,780.45
  6. Step 6: Final answer
    x = 1,804,332.38

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.