Home / 1,449,192.45-1,999,976.13-837,457.57

Finding the Fourth Proportional to 1,449,192.45, 1,999,976.13 and 837,457.57

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Solution

The fourth proportional to 1,449,192.45, 1,999,976.13 and 837,457.57 is: 1,155,743.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,192.45 : 1,999,976.13 = 837,457.57 : x
  2. Step 2: Convert to fraction form
    1,449,192.45/1,999,976.13 = 837,457.57/x
  3. Step 3: Cross multiply
    1,449,192.45x = 1,999,976.13 × 837,457.57
  4. Step 4: Simplify right side
    1,449,192.45x = 1,674,895,149,887.80
  5. Step 5: Solve for x
    x = 1,674,895,149,887.80/1,449,192.45
  6. Step 6: Final answer
    x = 1,155,743.77

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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.