Home / 1,409,474.43-1,945,076-764,894.65

Finding the Fourth Proportional to 1,409,474.43, 1,945,076 and 764,894.65

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Solution

The fourth proportional to 1,409,474.43, 1,945,076 and 764,894.65 is: 1,055,555.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,474.43 : 1,945,076 = 764,894.65 : x
  2. Step 2: Convert to fraction form
    1,409,474.43/1,945,076 = 764,894.65/x
  3. Step 3: Cross multiply
    1,409,474.43x = 1,945,076 × 764,894.65
  4. Step 4: Simplify right side
    1,409,474.43x = 1,487,778,226,243.40
  5. Step 5: Solve for x
    x = 1,487,778,226,243.40/1,409,474.43
  6. Step 6: Final answer
    x = 1,055,555.32

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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.