Home / 1,408,986.58-1,944,405.20-764,406.76

Finding the Fourth Proportional to 1,408,986.58, 1,944,405.20 and 764,406.76

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Solution

The fourth proportional to 1,408,986.58, 1,944,405.20 and 764,406.76 is: 1,054,883.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,986.58 : 1,944,405.20 = 764,406.76 : x
  2. Step 2: Convert to fraction form
    1,408,986.58/1,944,405.20 = 764,406.76/x
  3. Step 3: Cross multiply
    1,408,986.58x = 1,944,405.20 × 764,406.76
  4. Step 4: Simplify right side
    1,408,986.58x = 1,486,316,479,059.15
  5. Step 5: Solve for x
    x = 1,486,316,479,059.15/1,408,986.58
  6. Step 6: Final answer
    x = 1,054,883.35

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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.