Home / 1,409,471.46-1,945,084.88-764,897.22

Finding the Fourth Proportional to 1,409,471.46, 1,945,084.88 and 764,897.22

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Solution

The fourth proportional to 1,409,471.46, 1,945,084.88 and 764,897.22 is: 1,055,565.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,471.46 : 1,945,084.88 = 764,897.22 : x
  2. Step 2: Convert to fraction form
    1,409,471.46/1,945,084.88 = 764,897.22/x
  3. Step 3: Cross multiply
    1,409,471.46x = 1,945,084.88 × 764,897.22
  4. Step 4: Simplify right side
    1,409,471.46x = 1,487,790,013,551.55
  5. Step 5: Solve for x
    x = 1,487,790,013,551.55/1,409,471.46
  6. Step 6: Final answer
    x = 1,055,565.90

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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.