Home / 1,143,756.81-1,715,647.55-345,045.29

Finding the Fourth Proportional to 1,143,756.81, 1,715,647.55 and 345,045.29

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Solution

The fourth proportional to 1,143,756.81, 1,715,647.55 and 345,045.29 is: 517,571.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,756.81 : 1,715,647.55 = 345,045.29 : x
  2. Step 2: Convert to fraction form
    1,143,756.81/1,715,647.55 = 345,045.29/x
  3. Step 3: Cross multiply
    1,143,756.81x = 1,715,647.55 × 345,045.29
  4. Step 4: Simplify right side
    1,143,756.81x = 591,976,096,124.08
  5. Step 5: Solve for x
    x = 591,976,096,124.08/1,143,756.81
  6. Step 6: Final answer
    x = 517,571.65

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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.