Home / 1,724,925.06-2,380,190.13-989,841.56

Finding the Fourth Proportional to 1,724,925.06, 2,380,190.13 and 989,841.56

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Solution

The fourth proportional to 1,724,925.06, 2,380,190.13 and 989,841.56 is: 1,365,862.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724,925.06 : 2,380,190.13 = 989,841.56 : x
  2. Step 2: Convert to fraction form
    1,724,925.06/2,380,190.13 = 989,841.56/x
  3. Step 3: Cross multiply
    1,724,925.06x = 2,380,190.13 × 989,841.56
  4. Step 4: Simplify right side
    1,724,925.06x = 2,356,011,099,474.85
  5. Step 5: Solve for x
    x = 2,356,011,099,474.85/1,724,925.06
  6. Step 6: Final answer
    x = 1,365,862.87

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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.