Home / 1,409,357.30-1,944,903.21-764,761.10

Finding the Fourth Proportional to 1,409,357.30, 1,944,903.21 and 764,761.10

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Solution

The fourth proportional to 1,409,357.30, 1,944,903.21 and 764,761.10 is: 1,055,364.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,357.30 : 1,944,903.21 = 764,761.10 : x
  2. Step 2: Convert to fraction form
    1,409,357.30/1,944,903.21 = 764,761.10/x
  3. Step 3: Cross multiply
    1,409,357.30x = 1,944,903.21 × 764,761.10
  4. Step 4: Simplify right side
    1,409,357.30x = 1,487,386,318,273.13
  5. Step 5: Solve for x
    x = 1,487,386,318,273.13/1,409,357.30
  6. Step 6: Final answer
    x = 1,055,364.97

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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.