Home / 1,315,213.06-1,814,477.61-763,834.90

Finding the Fourth Proportional to 1,315,213.06, 1,814,477.61 and 763,834.90

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Solution

The fourth proportional to 1,315,213.06, 1,814,477.61 and 763,834.90 is: 1,053,792.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,213.06 : 1,814,477.61 = 763,834.90 : x
  2. Step 2: Convert to fraction form
    1,315,213.06/1,814,477.61 = 763,834.90/x
  3. Step 3: Cross multiply
    1,315,213.06x = 1,814,477.61 × 763,834.90
  4. Step 4: Simplify right side
    1,315,213.06x = 1,385,961,323,786.59
  5. Step 5: Solve for x
    x = 1,385,961,323,786.59/1,315,213.06
  6. Step 6: Final answer
    x = 1,053,792.25

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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.