Home / 1,349,103.88-1,861,690.26-745,453

Finding the Fourth Proportional to 1,349,103.88, 1,861,690.26 and 745,453

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Solution

The fourth proportional to 1,349,103.88, 1,861,690.26 and 745,453 is: 1,028,684.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,103.88 : 1,861,690.26 = 745,453 : x
  2. Step 2: Convert to fraction form
    1,349,103.88/1,861,690.26 = 745,453/x
  3. Step 3: Cross multiply
    1,349,103.88x = 1,861,690.26 × 745,453
  4. Step 4: Simplify right side
    1,349,103.88x = 1,387,802,589,387.78
  5. Step 5: Solve for x
    x = 1,387,802,589,387.78/1,349,103.88
  6. Step 6: Final answer
    x = 1,028,684.75

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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.