Home / 1,069,757.29-1,604,709.76-311,605.05

Finding the Fourth Proportional to 1,069,757.29, 1,604,709.76 and 311,605.05

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Solution

The fourth proportional to 1,069,757.29, 1,604,709.76 and 311,605.05 is: 467,429.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,757.29 : 1,604,709.76 = 311,605.05 : x
  2. Step 2: Convert to fraction form
    1,069,757.29/1,604,709.76 = 311,605.05/x
  3. Step 3: Cross multiply
    1,069,757.29x = 1,604,709.76 × 311,605.05
  4. Step 4: Simplify right side
    1,069,757.29x = 500,035,665,000.29
  5. Step 5: Solve for x
    x = 500,035,665,000.29/1,069,757.29
  6. Step 6: Final answer
    x = 467,429.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.