Home / 1,384,421.28-1,910,501.70-764,226.96

Finding the Fourth Proportional to 1,384,421.28, 1,910,501.70 and 764,226.96

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Solution

The fourth proportional to 1,384,421.28, 1,910,501.70 and 764,226.96 is: 1,054,633.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,421.28 : 1,910,501.70 = 764,226.96 : x
  2. Step 2: Convert to fraction form
    1,384,421.28/1,910,501.70 = 764,226.96/x
  3. Step 3: Cross multiply
    1,384,421.28x = 1,910,501.70 × 764,226.96
  4. Step 4: Simplify right side
    1,384,421.28x = 1,460,056,906,265.83
  5. Step 5: Solve for x
    x = 1,460,056,906,265.83/1,384,421.28
  6. Step 6: Final answer
    x = 1,054,633.39

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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.