Home / 1,109,694.87-1,531,267.34-626,231.25

Finding the Fourth Proportional to 1,109,694.87, 1,531,267.34 and 626,231.25

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Solution

The fourth proportional to 1,109,694.87, 1,531,267.34 and 626,231.25 is: 864,136.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,694.87 : 1,531,267.34 = 626,231.25 : x
  2. Step 2: Convert to fraction form
    1,109,694.87/1,531,267.34 = 626,231.25/x
  3. Step 3: Cross multiply
    1,109,694.87x = 1,531,267.34 × 626,231.25
  4. Step 4: Simplify right side
    1,109,694.87x = 958,927,457,281.22
  5. Step 5: Solve for x
    x = 958,927,457,281.22/1,109,694.87
  6. Step 6: Final answer
    x = 864,136.15

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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.