Home / 1,130,954.83-1,696,431.16-289,505.23

Finding the Fourth Proportional to 1,130,954.83, 1,696,431.16 and 289,505.23

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Solution

The fourth proportional to 1,130,954.83, 1,696,431.16 and 289,505.23 is: 434,257.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,954.83 : 1,696,431.16 = 289,505.23 : x
  2. Step 2: Convert to fraction form
    1,130,954.83/1,696,431.16 = 289,505.23/x
  3. Step 3: Cross multiply
    1,130,954.83x = 1,696,431.16 × 289,505.23
  4. Step 4: Simplify right side
    1,130,954.83x = 491,125,693,154.97
  5. Step 5: Solve for x
    x = 491,125,693,154.97/1,130,954.83
  6. Step 6: Final answer
    x = 434,257.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.