Home / 1,259,740.86-1,738,447.83-807,294.30

Finding the Fourth Proportional to 1,259,740.86, 1,738,447.83 and 807,294.30

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Solution

The fourth proportional to 1,259,740.86, 1,738,447.83 and 807,294.30 is: 1,114,069.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,740.86 : 1,738,447.83 = 807,294.30 : x
  2. Step 2: Convert to fraction form
    1,259,740.86/1,738,447.83 = 807,294.30/x
  3. Step 3: Cross multiply
    1,259,740.86x = 1,738,447.83 × 807,294.30
  4. Step 4: Simplify right side
    1,259,740.86x = 1,403,439,024,006.37
  5. Step 5: Solve for x
    x = 1,403,439,024,006.37/1,259,740.86
  6. Step 6: Final answer
    x = 1,114,069.62

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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.