Home / 1,349,116.08-1,861,898.04-745,620.72

Finding the Fourth Proportional to 1,349,116.08, 1,861,898.04 and 745,620.72

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Solution

The fourth proportional to 1,349,116.08, 1,861,898.04 and 745,620.72 is: 1,029,021.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,116.08 : 1,861,898.04 = 745,620.72 : x
  2. Step 2: Convert to fraction form
    1,349,116.08/1,861,898.04 = 745,620.72/x
  3. Step 3: Cross multiply
    1,349,116.08x = 1,861,898.04 × 745,620.72
  4. Step 4: Simplify right side
    1,349,116.08x = 1,388,269,757,151.39
  5. Step 5: Solve for x
    x = 1,388,269,757,151.39/1,349,116.08
  6. Step 6: Final answer
    x = 1,029,021.73

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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.