Home / 1,222,923.95-1,687,790.77-739,492.53

Finding the Fourth Proportional to 1,222,923.95, 1,687,790.77 and 739,492.53

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Solution

The fourth proportional to 1,222,923.95, 1,687,790.77 and 739,492.53 is: 1,020,593.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,923.95 : 1,687,790.77 = 739,492.53 : x
  2. Step 2: Convert to fraction form
    1,222,923.95/1,687,790.77 = 739,492.53/x
  3. Step 3: Cross multiply
    1,222,923.95x = 1,687,790.77 × 739,492.53
  4. Step 4: Simplify right side
    1,222,923.95x = 1,248,108,654,481.53
  5. Step 5: Solve for x
    x = 1,248,108,654,481.53/1,222,923.95
  6. Step 6: Final answer
    x = 1,020,593.84

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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.