Home / 1,109,759.04-1,531,468.35-770,424.12

Finding the Fourth Proportional to 1,109,759.04, 1,531,468.35 and 770,424.12

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Solution

The fourth proportional to 1,109,759.04, 1,531,468.35 and 770,424.12 is: 1,063,185.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,759.04 : 1,531,468.35 = 770,424.12 : x
  2. Step 2: Convert to fraction form
    1,109,759.04/1,531,468.35 = 770,424.12/x
  3. Step 3: Cross multiply
    1,109,759.04x = 1,531,468.35 × 770,424.12
  4. Step 4: Simplify right side
    1,109,759.04x = 1,179,880,155,856.60
  5. Step 5: Solve for x
    x = 1,179,880,155,856.60/1,109,759.04
  6. Step 6: Final answer
    x = 1,063,185.89

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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.