Home / 1,764,190.32-2,434,436.28-989,715.24

Finding the Fourth Proportional to 1,764,190.32, 2,434,436.28 and 989,715.24

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Solution

The fourth proportional to 1,764,190.32, 2,434,436.28 and 989,715.24 is: 1,365,724.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764,190.32 : 2,434,436.28 = 989,715.24 : x
  2. Step 2: Convert to fraction form
    1,764,190.32/2,434,436.28 = 989,715.24/x
  3. Step 3: Cross multiply
    1,764,190.32x = 2,434,436.28 × 989,715.24
  4. Step 4: Simplify right side
    1,764,190.32x = 2,409,398,687,124.91
  5. Step 5: Solve for x
    x = 2,409,398,687,124.91/1,764,190.32
  6. Step 6: Final answer
    x = 1,365,724.92

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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.