Home / 1,143,898.48-1,715,990.73-345,178.72

Finding the Fourth Proportional to 1,143,898.48, 1,715,990.73 and 345,178.72

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Solution

The fourth proportional to 1,143,898.48, 1,715,990.73 and 345,178.72 is: 517,811.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,898.48 : 1,715,990.73 = 345,178.72 : x
  2. Step 2: Convert to fraction form
    1,143,898.48/1,715,990.73 = 345,178.72/x
  3. Step 3: Cross multiply
    1,143,898.48x = 1,715,990.73 × 345,178.72
  4. Step 4: Simplify right side
    1,143,898.48x = 592,323,483,713.27
  5. Step 5: Solve for x
    x = 592,323,483,713.27/1,143,898.48
  6. Step 6: Final answer
    x = 517,811.23

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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.