Home / 1,109,561.49-1,531,207.40-626,132.43

Finding the Fourth Proportional to 1,109,561.49, 1,531,207.40 and 626,132.43

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Solution

The fourth proportional to 1,109,561.49, 1,531,207.40 and 626,132.43 is: 864,069.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,561.49 : 1,531,207.40 = 626,132.43 : x
  2. Step 2: Convert to fraction form
    1,109,561.49/1,531,207.40 = 626,132.43/x
  3. Step 3: Cross multiply
    1,109,561.49x = 1,531,207.40 × 626,132.43
  4. Step 4: Simplify right side
    1,109,561.49x = 958,738,607,065.32
  5. Step 5: Solve for x
    x = 958,738,607,065.32/1,109,561.49
  6. Step 6: Final answer
    x = 864,069.83

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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.